CDT to EST to PST to AST to MST to UTC to BRT to IST to SAST to CEST Time Converter

Updating current time…
CST/CDT
Central Standard Time
UTC−6
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Central Time is on standard time: CST (UTC−6) until Sun, Mar 14, 2027.
Keep CDT (UTC−5)
EST
Eastern Standard Time
UTC−5
1h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
PST
Pacific Standard Time
UTC−8
2h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm
AST
Atlantic Standard Time
UTC−4
2h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
MST
Mountain Standard Time
UTC−7
1h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm
UTC
Coordinated Universal Time
UTC+0
6h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
BRT
Brasilia Time
UTC−3
3h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
IST
India Standard Time
UTC+5:30
11h 30m ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
SAST
South Africa Standard Time
UTC+2
8h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
CET/CEST
Central European Time
UTC+1
7h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Central Europe is on standard time: CET (UTC+1) until Sun, Mar 28, 2027.
Keep CEST (UTC+2)

Quick answers

Selected conversion

10:30 am10:30 CST (UTC-6), Nov 1, 2026 = 11:30 am11:30 EST (UTC-5), Nov 1, 2026 = 8:30 am08:30 PST (UTC-8), Nov 1, 2026 = 12:30 pm12:30 AST (UTC-4), Nov 1, 2026 = 9:30 am09:30 MST (UTC-7), Nov 1, 2026 = 4:30 pm16:30 UTC (UTC+0), Nov 1, 2026 = 1:30 pm13:30 BRT (UTC-3), Nov 1, 2026 = 10:00 pm22:00 IST (UTC+5:30), Nov 1, 2026 = 6:30 pm18:30 SAST (UTC+2), Nov 1, 2026 = 5:30 pm17:30 CET (UTC+1), Nov 1, 2026

CST is 1 hour behind EST. CST is 2 hours ahead of PST. CST is 2 hours behind AST. CST is 1 hour ahead of MST. CST is 6 hours behind UTC. CST is 3 hours behind BRT. CST is 11 hours and 30 minutes behind IST. CST is 8 hours behind SAST. CST is 7 hours behind CET.

How the time difference changes

CDT to EST

For most of the year, CDT is 1 hour behind EDT. From Nov 1, 2026 to Mar 14, 2027, CST is 1 hour behind EST. Briefly around clock changes, CDT and EST have the same time or CST is 2 hours behind EDT.

For most of the year, working hours of 9:00 am to 6:00 pm in CDT correspond to 10:00 am to 7:00 pm in EDT. At other times of the year, working hours of 9:00 am to 6:00 pm in CST correspond to 10:00 am to 7:00 pm in EST.For most of the year, working hours of 09:00 to 18:00 in CDT correspond to 10:00 to 19:00 in EDT. At other times of the year, working hours of 09:00 to 18:00 in CST correspond to 10:00 to 19:00 in EST.

CDT to PST

For most of the year, CDT is 2 hours ahead of PDT. From Nov 1, 2026 to Mar 14, 2027, CST is 2 hours ahead of PST. Briefly around clock changes, CDT is 3 hours ahead of PST or CST is 1 hour ahead of PDT.

For most of the year, working hours of 9:00 am to 6:00 pm in CDT correspond to 7:00 am to 4:00 pm in PDT. At other times of the year, working hours of 9:00 am to 6:00 pm in CST correspond to 7:00 am to 4:00 pm in PST.For most of the year, working hours of 09:00 to 18:00 in CDT correspond to 07:00 to 16:00 in PDT. At other times of the year, working hours of 09:00 to 18:00 in CST correspond to 07:00 to 16:00 in PST.

CDT to AST

For most of the year, CDT is 2 hours behind ADT. From Nov 1, 2026 to Mar 14, 2027, CST is 2 hours behind AST. Briefly around clock changes, CDT is 1 hour behind AST or CST is 3 hours behind ADT.

For most of the year, working hours of 9:00 am to 6:00 pm in CDT correspond to 11:00 am to 8:00 pm in ADT. At other times of the year, working hours of 9:00 am to 6:00 pm in CST correspond to 11:00 am to 8:00 pm in AST.For most of the year, working hours of 09:00 to 18:00 in CDT correspond to 11:00 to 20:00 in ADT. At other times of the year, working hours of 09:00 to 18:00 in CST correspond to 11:00 to 20:00 in AST.

CDT to MST

For most of the year, CDT is 1 hour ahead of MDT. From Nov 1, 2026 to Mar 14, 2027, CST is 1 hour ahead of MST. Briefly around clock changes, CDT is 2 hours ahead of MST or CST and MDT have the same time.

For most of the year, working hours of 9:00 am to 6:00 pm in CDT correspond to 8:00 am to 5:00 pm in MDT. At other times of the year, working hours of 9:00 am to 6:00 pm in CST correspond to 8:00 am to 5:00 pm in MST.For most of the year, working hours of 09:00 to 18:00 in CDT correspond to 08:00 to 17:00 in MDT. At other times of the year, working hours of 09:00 to 18:00 in CST correspond to 08:00 to 17:00 in MST.

CDT to UTC

For most of the year, CDT is 5 hours behind UTC. From Nov 1, 2026 to Mar 14, 2027, CST is 6 hours behind UTC.

For most of the year, working hours of 9:00 am to 6:00 pm in CDT correspond to 2:00 pm to 11:00 pm in UTC. At other times of the year, working hours of 9:00 am to 6:00 pm in CST correspond to 3:00 pm to 12:00 am (next day) in UTC.For most of the year, working hours of 09:00 to 18:00 in CDT correspond to 14:00 to 23:00 in UTC. At other times of the year, working hours of 09:00 to 18:00 in CST correspond to 15:00 to 00:00 (next day) in UTC.

CDT to BRT

For most of the year, CDT is 2 hours behind BRT. From Nov 1, 2026 to Mar 14, 2027, CST is 3 hours behind BRT.

For most of the year, working hours of 9:00 am to 6:00 pm in CDT correspond to 11:00 am to 8:00 pm in BRT. At other times of the year, working hours of 9:00 am to 6:00 pm in CST correspond to 12:00 pm to 9:00 pm in BRT.For most of the year, working hours of 09:00 to 18:00 in CDT correspond to 11:00 to 20:00 in BRT. At other times of the year, working hours of 09:00 to 18:00 in CST correspond to 12:00 to 21:00 in BRT.

CDT to IST

For most of the year, CDT is 10 hours and 30 minutes behind IST. From Nov 1, 2026 to Mar 14, 2027, CST is 11 hours and 30 minutes behind IST.

For most of the year, working hours of 9:00 am to 6:00 pm in CDT correspond to 7:30 pm to 4:30 am (next day) in IST. At other times of the year, working hours of 9:00 am to 6:00 pm in CST correspond to 8:30 pm to 5:30 am (next day) in IST.For most of the year, working hours of 09:00 to 18:00 in CDT correspond to 19:30 to 04:30 (next day) in IST. At other times of the year, working hours of 09:00 to 18:00 in CST correspond to 20:30 to 05:30 (next day) in IST.

CDT to SAST

For most of the year, CDT is 7 hours behind SAST. From Nov 1, 2026 to Mar 14, 2027, CST is 8 hours behind SAST.

For most of the year, working hours of 9:00 am to 6:00 pm in CDT correspond to 4:00 pm to 1:00 am (next day) in SAST. At other times of the year, working hours of 9:00 am to 6:00 pm in CST correspond to 5:00 pm to 2:00 am (next day) in SAST.For most of the year, working hours of 09:00 to 18:00 in CDT correspond to 16:00 to 01:00 (next day) in SAST. At other times of the year, working hours of 09:00 to 18:00 in CST correspond to 17:00 to 02:00 (next day) in SAST.

CDT to CEST

For most of the year, CDT is 7 hours behind CEST. From Nov 1, 2026 to Mar 14, 2027, CST is 7 hours behind CET. From Mar 14 to Mar 28, 2027, and from Oct 31 to Nov 7, 2027, CDT is 6 hours behind CET.

For most of the year, working hours of 9:00 am to 6:00 pm in CDT correspond to 4:00 pm to 1:00 am (next day) in CEST. At other times of the year, working hours of 9:00 am to 6:00 pm in CST correspond to 4:00 pm to 1:00 am (next day) in CET or working hours of 9:00 am to 6:00 pm in CDT correspond to 3:00 pm to 12:00 am (next day) in CET.For most of the year, working hours of 09:00 to 18:00 in CDT correspond to 16:00 to 01:00 (next day) in CEST. At other times of the year, working hours of 09:00 to 18:00 in CST correspond to 16:00 to 01:00 (next day) in CET or working hours of 09:00 to 18:00 in CDT correspond to 15:00 to 00:00 (next day) in CET.

Compare CDT time with EST, PST, AST, MST, UTC, BRT, IST, SAST, and CEST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

Central Standard Time is 1 hour behind Eastern Standard Time. Central Standard Time is 2 hours ahead of Pacific Standard Time. Central Standard Time is 2 hours behind Atlantic Standard Time. Central Standard Time is 1 hour ahead of Mountain Standard Time. Central Standard Time is 6 hours behind Coordinated Universal Time. Central Standard Time is 3 hours behind Brasilia Time. Central Standard Time is 11 hours and 30 minutes behind India Standard Time. Central Standard Time is 8 hours behind South Africa Standard Time. Central Standard Time is 7 hours behind Central European Time.
10:30 am10:30 in CST is 11:30 am11:30 in EST and is 8:30 am08:30 in PST and is 12:30 pm12:30 in AST and is 9:30 am09:30 in MST and is 4:30 pm16:30 in UTC and is 1:30 pm13:30 in BRT and is 10:00 pm22:00 in IST and is 6:30 pm18:30 in SAST and is 5:30 pm17:30 in CET

CST to EST call time
Best time for a conference call or a meeting is between 9am-5pm09:00-17:00 in CST which corresponds to 10am-6pm10:00-18:00 in EST
CST to PST call time
Best time for a conference call or a meeting is between 11am-6pm11:00-18:00 in CST which corresponds to 9am-4pm09:00-16:00 in PST
CST to AST call time
Best time for a conference call or a meeting is between 9am-4pm09:00-16:00 in CST which corresponds to 11am-6pm11:00-18:00 in AST
CST to MST call time
Best time for a conference call or a meeting is between 10am-6pm10:00-18:00 in CST which corresponds to 9am-5pm09:00-17:00 in MST
CST to UTC call time
Best time for a conference call or a meeting is between 9am-12pm09:00-12:00 in CST which corresponds to 3pm-6pm15:00-18:00 in UTC
CST to BRT call time
Best time for a conference call or a meeting is between 9am-3pm09:00-15:00 in CST which corresponds to 12pm-6pm12:00-18:00 in BRT
CST to IST call time
Best time for a conference call or a meeting is between 7:30am-8:30am07:30-08:30 in CST which corresponds to 7pm-8pm19:00-20:00 in IST. Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.
CST to SAST call time
Best time for a conference call or a meeting is between 9am-10am09:00-10:00 in CST which corresponds to 5pm-6pm17:00-18:00 in SAST
CST to CET call time
Best time for a conference call or a meeting is between 9am-11am09:00-11:00 in CST which corresponds to 4pm-6pm16:00-18:00 in CET

10:30 am10:30 Central Standard Time (CST). Offset UTC -6:00 hours
11:30 am11:30 Eastern Standard Time (EST). Offset UTC -5:00 hours
8:30 am08:30 Pacific Standard Time (PST). Offset UTC -8:00 hours
12:30 pm12:30 Atlantic Standard Time (AST). Offset UTC -4:00 hours
9:30 am09:30 Mountain Standard Time (MST). Offset UTC -7:00 hours
4:30 pm16:30 Coordinated Universal Time (UTC). Offset UTC 0:00 hours
1:30 pm13:30 Brasilia Time (BRT). Offset UTC -3:00 hours
10:00 pm22:00 India Standard Time (IST). Offset UTC +5:30 hours
6:30 pm18:30 South Africa Standard Time (SAST). Offset UTC +2:00 hours
5:30 pm17:30 Central European Time (CET). Offset UTC +1:00 hour

10:30 am10:30 CST / 11:30 am11:30 EST / 8:30 am08:30 PST / 12:30 pm12:30 AST / 9:30 am09:30 MST / 4:30 pm16:30 UTC / 1:30 pm13:30 BRT / 10:00 pm22:00 IST / 6:30 pm18:30 SAST / 5:30 pm17:30 CET

Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.

Hourly time comparison
CSTESTPSTASTMSTUTCBRTISTSASTCET
1:00am EDT UTC-410:00pm previous day PDT UTC-71:00am11:00pm previous day MDT UTC-65:00am2:00am10:30am7:00am6:00am
1:00am11:00pm previous day PDT UTC-72:00am12:00am MDT UTC-66:00am3:00am11:30am8:00am7:00am
3:00am1:00am PDT UTC-74:00am1:00am8:00am5:00am1:30pm10:00am9:00am
4:00am1:00am5:00am2:00am9:00am6:00am2:30pm11:00am10:00am
5:00am2:00am6:00am3:00am10:00am7:00am3:30pm12:00pm11:00am
6:00am3:00am7:00am4:00am11:00am8:00am4:30pm1:00pm12:00pm
7:00am4:00am8:00am5:00am12:00pm9:00am5:30pm2:00pm1:00pm
8:00am5:00am9:00am6:00am1:00pm10:00am6:30pm3:00pm2:00pm
9:00am6:00am10:00am7:00am2:00pm11:00am7:30pm4:00pm3:00pm
10:00am7:00am11:00am8:00am3:00pm12:00pm8:30pm5:00pm4:00pm
11:00am8:00am12:00pm9:00am4:00pm1:00pm9:30pm6:00pm5:00pm
12:00pm9:00am1:00pm10:00am5:00pm2:00pm10:30pm7:00pm6:00pm
1:00pm10:00am2:00pm11:00am6:00pm3:00pm11:30pm8:00pm7:00pm
2:00pm11:00am3:00pm12:00pm7:00pm4:00pm12:30am next day9:00pm8:00pm
3:00pm12:00pm4:00pm1:00pm8:00pm5:00pm1:30am next day10:00pm9:00pm
4:00pm1:00pm5:00pm2:00pm9:00pm6:00pm2:30am next day11:00pm10:00pm
5:00pm2:00pm6:00pm3:00pm10:00pm7:00pm3:30am next day12:00am next day11:00pm
6:00pm3:00pm7:00pm4:00pm11:00pm8:00pm4:30am next day1:00am next day12:00am next day
7:00pm4:00pm8:00pm5:00pm12:00am next day9:00pm5:30am next day2:00am next day1:00am next day
8:00pm5:00pm9:00pm6:00pm1:00am next day10:00pm6:30am next day3:00am next day2:00am next day
9:00pm6:00pm10:00pm7:00pm2:00am next day11:00pm7:30am next day4:00am next day3:00am next day
10:00pm7:00pm11:00pm8:00pm3:00am next day12:00am next day8:30am next day5:00am next day4:00am next day
11:00pm8:00pm12:00am next day9:00pm4:00am next day1:00am next day9:30am next day6:00am next day5:00am next day
12:00am next day9:00pm1:00am next day10:00pm5:00am next day2:00am next day10:30am next day7:00am next day6:00am next day
01:00 EDT UTC-422:00 previous day PDT UTC-701:0023:00 previous day MDT UTC-605:0002:0010:3007:0006:00
01:0023:00 previous day PDT UTC-702:0000:00 MDT UTC-606:0003:0011:3008:0007:00
03:0001:00 PDT UTC-704:0001:0008:0005:0013:3010:0009:00
04:0001:0005:0002:0009:0006:0014:3011:0010:00
05:0002:0006:0003:0010:0007:0015:3012:0011:00
06:0003:0007:0004:0011:0008:0016:3013:0012:00
07:0004:0008:0005:0012:0009:0017:3014:0013:00
08:0005:0009:0006:0013:0010:0018:3015:0014:00
09:0006:0010:0007:0014:0011:0019:3016:0015:00
10:0007:0011:0008:0015:0012:0020:3017:0016:00
11:0008:0012:0009:0016:0013:0021:3018:0017:00
12:0009:0013:0010:0017:0014:0022:3019:0018:00
13:0010:0014:0011:0018:0015:0023:3020:0019:00
14:0011:0015:0012:0019:0016:0000:30 next day21:0020:00
15:0012:0016:0013:0020:0017:0001:30 next day22:0021:00
16:0013:0017:0014:0021:0018:0002:30 next day23:0022:00
17:0014:0018:0015:0022:0019:0003:30 next day00:00 next day23:00
18:0015:0019:0016:0023:0020:0004:30 next day01:00 next day00:00 next day
19:0016:0020:0017:0000:00 next day21:0005:30 next day02:00 next day01:00 next day
20:0017:0021:0018:0001:00 next day22:0006:30 next day03:00 next day02:00 next day
21:0018:0022:0019:0002:00 next day23:0007:30 next day04:00 next day03:00 next day
22:0019:0023:0020:0003:00 next day00:00 next day08:30 next day05:00 next day04:00 next day
23:0020:0000:00 next day21:0004:00 next day01:00 next day09:30 next day06:00 next day05:00 next day
00:00 next day21:0001:00 next day22:0005:00 next day02:00 next day10:30 next day07:00 next day06:00 next day

Central Daylight Time

Offset: CDT is 5 hours behind Greenwich Mean Time (GMT).

Countries using this time zone: Canada, Mexico, United States

Principal Cities: The largest city in the CDT time zone is Chicago in the United States, with about 2.664 million people. Other major cities in this time zone include Houston, San Antonio, Dallas, Fort Worth.

French: HAC - Heure Avancée du Centre

Spanish: CT - Zona Centro

Map of the areas on Central Daylight Time (CDT)
CDT part of the year

Today the shaded areas are on UTC−6 (Central Standard Time).

Open the world time zone map© OpenStreetMap

Daylight Saving: Central Daylight Time (CDT) is a daylight saving/summer time zone, but some places set clocks back one hour during winter and observe Central Standard Time (CST).

123456789101112End: Central Daylight Time (CDT) ended on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks were set one hour back to Sunday, November 1, 2026, 1:00 am01:00 local standard time instead. Daylight saving ends annually on the first Sunday of November.

123456789101112Start: Central Daylight Time (CDT) starts on Sunday, March 14, 2027 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 14, 2027, 3:00 am03:00. Daylight saving starts annually on the second Sunday of March.

See USA daylight saving time and upcoming clock changes worldwide.

CDT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -05 - basic short
  • -0500 - basic
  • -05:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0500 - sign character (-) followed by a four digit time providing hours (05) and minutes (00) of the offset. Indicates an offset of five hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Romeo - Military abbreviation for CDT
  • R - short form of 'Romeo'
IANA/Olson: Reflects CDT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Chicago
  • America/Indiana/Knox
  • America/Indiana/Tell_City
  • America/Knox_IN
  • America/Matamoros
  • America/Menominee
  • America/North_Dakota/Beulah
  • America/North_Dakota/Center
  • America/North_Dakota/New_Salem
  • America/Ojinaga
  • America/Rainy_River
  • America/Rankin_Inlet
  • America/Resolute
  • America/Winnipeg
  • CST6CDT
  • Canada/Central
  • US/Central
  • US/Indiana-Starke
CDT Abbreviation: Several time zones share CDT abbreviation and it could refer to these time zones
  • Central Daylight Time - UTC -5
  • Cuba Daylight Time - UTC -4
Time zones with the GMT -5 offset:
  • CDT - Central Daylight Time
  • EST - Eastern Standard Time
  • ET - Eastern Time
  • COT - Colombia Time
  • CST - Cuba Standard Time
  • EASST - Easter Island Summer Time
  • ECT - Ecuador Time
  • PET - Peru Time
  • R - Romeo Time Zone

Eastern Standard Time

Offset: EST is 5 hours behind Greenwich Mean Time (GMT).

Countries using this time zone: Bahamas, Canada, Cayman Islands, Haiti, Jamaica, Mexico, Panama, Turks and Caicos Islands, United States

Principal Cities: The largest city in the EST time zone is New York City in the United States, with about 8.804 million people. Other major cities in this time zone include Toronto, Montréal, Philadelphia, Port-au-Prince.

French: HNE - Heure Normale de l'Est

Spanish: ET - Tiempo del Este, ET - Zona Sureste

Map of the areas on Eastern Standard Time (EST)
EST all year EST part of the year

Today all shaded areas are on EST.

Open the world time zone map© OpenStreetMap

Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Eastern Daylight Time (EDT).

123456789101112Start: Eastern Standard Time (EST) started on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks were set one hour back to Sunday, November 1, 2026, 1:00 am01:00. Standard time starts annually on the first Sunday of November.

123456789101112End: Eastern Standard Time (EST) ends on Sunday, March 14, 2027 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 14, 2027, 3:00 am03:00 local daylight time instead. Standard time ends annually on the second Sunday of March.

See USA daylight saving time and upcoming clock changes worldwide.

EST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -05 - basic short
  • -0500 - basic
  • -05:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0500 - sign character (-) followed by a four digit time providing hours (05) and minutes (00) of the offset. Indicates an offset of five hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Romeo - Military abbreviation for EST
  • R - short form of 'Romeo'
IANA/Olson: Reflects EST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Atikokan
  • America/Cancun
  • America/Cayman
  • America/Coral_Harbour
  • America/Detroit
  • America/Fort_Wayne
  • America/Grand_Turk
  • America/Indiana/Indianapolis
  • America/Indiana/Marengo
  • America/Indiana/Petersburg
  • America/Indiana/Vevay
  • America/Indiana/Vincennes
  • America/Indiana/Winamac
  • America/Indianapolis
  • America/Iqaluit
  • America/Jamaica
  • America/Kentucky/Louisville
  • America/Kentucky/Monticello
  • America/Louisville
  • America/Montreal
  • America/Nassau
  • America/New_York
  • America/Nipigon
  • America/Panama
  • America/Pangnirtung
  • America/Port-au-Prince
  • America/Thunder_Bay
  • America/Toronto
  • Canada/Eastern
  • EST
  • EST5EDT
  • Jamaica
  • US/East-Indiana
  • US/Eastern
  • US/Michigan
Time zones with the GMT -5 offset:
  • CDT - Central Daylight Time
  • EST - Eastern Standard Time
  • ET - Eastern Time
  • COT - Colombia Time
  • CST - Cuba Standard Time
  • EASST - Easter Island Summer Time
  • ECT - Ecuador Time
  • PET - Peru Time
  • R - Romeo Time Zone

Pacific Standard Time

Offset: PST is 8 hours behind Greenwich Mean Time (GMT).

Countries using this time zone: Mexico, United States

Principal Cities: The largest city in the PST time zone is Los Angeles in the United States, with about 3.821 million people. Other major cities in this time zone include Tijuana, San Diego, Mexicali, San Jose.

French: HNP - Heure Normale du Pacifique

Spanish: PT - Tiempo del Pacífico, PT - Zona Noroeste

Map of the areas on Pacific Standard Time (PST)
PST part of the year

Today all shaded areas are on PST.

Open the world time zone map© OpenStreetMap

Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Pacific Daylight Time (PDT).

123456789101112Start: Pacific Standard Time (PST) started on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks were set one hour back to Sunday, November 1, 2026, 1:00 am01:00. Standard time starts annually on the first Sunday of November.

123456789101112End: Pacific Standard Time (PST) ends on Sunday, March 14, 2027 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 14, 2027, 3:00 am03:00 local daylight time instead. Standard time ends annually on the second Sunday of March.

See USA daylight saving time and upcoming clock changes worldwide.

PST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -08 - basic short
  • -0800 - basic
  • -08:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0800 - sign character (-) followed by a four digit time providing hours (08) and minutes (00) of the offset. Indicates an offset of eight hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Uniform - Military abbreviation for PST
  • U - short form of 'Uniform'
IANA/Olson: Reflects PST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Ensenada
  • America/Los_Angeles
  • America/Santa_Isabel
  • America/Tijuana
  • America/Vancouver
  • Canada/Pacific
  • Mexico/BajaNorte
  • PST8PDT
  • US/Pacific
PST Abbreviation: Several time zones share PST abbreviation and it could refer to these time zones
  • Pacific Standard Time - UTC -8
  • Pitcairn Standard Time - UTC -8
Time zones with the GMT -8 offset:
  • AKDT - Alaska Daylight Time
  • PST - Pacific Standard Time
  • PT - Pacific Time
  • PST - Pitcairn Standard Time
  • U - Uniform Time Zone

Atlantic Standard Time

Offset: AST is 4 hours behind Greenwich Mean Time (GMT).

Countries using this time zone: Anguilla, Antigua and Barbuda, Aruba, Barbados, Bermuda, British Virgin Islands, Canada, Caribbean Netherlands, Curaçao, Dominica, Dominican Republic, Greenland, Grenada, Guadeloupe, Martinique, Montserrat, Puerto Rico, Saint Barthélemy, Saint Kitts and Nevis, Saint Lucia, Saint Martin, Saint Vincent and the Grenadines, Sint Maarten, Trinidad and Tobago, US Virgin Islands

Principal Cities: The largest city in the AST time zone is Santo Domingo in the Dominican Republic, with about 2.202 million people. Other major cities in this time zone include Santiago de los Caballeros, Halifax, San Juan, San Pedro de Macorís.

French: HNA - Heure Normale de l'Atlantique

Spanish: AST - Tiempo Estándar del Atlántico

Map of the areas on Atlantic Standard Time (AST)
AST all year AST part of the year

Today all shaded areas are on AST.

Open the world time zone map© OpenStreetMap

Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Atlantic Daylight Time (ADT).

123456789101112Start: Atlantic Standard Time (AST) started on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks were set one hour back to Sunday, November 1, 2026, 1:00 am01:00. Standard time starts annually on the first Sunday of November.

123456789101112End: Atlantic Standard Time (AST) ends on Sunday, March 14, 2027 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 14, 2027, 3:00 am03:00 local daylight time instead. Standard time ends annually on the second Sunday of March.

See Canada daylight saving time and upcoming clock changes worldwide.

AST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -04 - basic short
  • -0400 - basic
  • -04:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0400 - sign character (-) followed by a four digit time providing hours (04) and minutes (00) of the offset. Indicates an offset of four hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Quebec - Military abbreviation for AST
  • Q - short form of 'Quebec'
IANA/Olson: Reflects AST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Anguilla
  • America/Antigua
  • America/Aruba
  • America/Barbados
  • America/Blanc-Sablon
  • America/Curacao
  • America/Dominica
  • America/Glace_Bay
  • America/Goose_Bay
  • America/Grenada
  • America/Guadeloupe
  • America/Halifax
  • America/Kralendijk
  • America/Lower_Princes
  • America/Marigot
  • America/Martinique
  • America/Moncton
  • America/Montserrat
  • America/Port_of_Spain
  • America/Puerto_Rico
  • America/Santo_Domingo
  • America/St_Barthelemy
  • America/St_Kitts
  • America/St_Lucia
  • America/St_Thomas
  • America/St_Vincent
  • America/Thule
  • America/Tortola
  • America/Virgin
  • Atlantic/Bermuda
  • Canada/Atlantic
AST Abbreviation: Several time zones share AST abbreviation and it could refer to these time zones
  • Atlantic Standard Time - UTC -4
  • Arabia Standard Time - UTC +3
Time zones with the GMT -4 offset:
  • AST - Atlantic Standard Time
  • EDT - Eastern Daylight Time
  • AMT - Amazon Time
  • BOT - Bolivia Time
  • CDT - Cuba Daylight Time
  • CLT - Chile Standard Time
  • GYT - Guyana Time
  • HLV - Hora Legal de Venezuela
  • Q - Quebec Time Zone
  • VET - Venezuelan Standard Time

Mountain Standard Time

Offset: MST is 7 hours behind Greenwich Mean Time (GMT).

Countries using this time zone: Canada, Mexico, United States

Principal Cities: The largest city in the MST time zone is Phoenix in the United States, with about 1.65 million people. Other major cities in this time zone include Ciudad Juárez, Hermosillo, Culiacán, Denver.

French: HNR - Heure Normale des Rocheuses

Spanish: MT - Zona Pacífico

Map of the areas on Mountain Standard Time (MST)
MST all year MST part of the year

Today all shaded areas are on MST.

Open the world time zone map© OpenStreetMap

Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Mountain Daylight Time (MDT).

123456789101112Start: Mountain Standard Time (MST) started on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks were set one hour back to Sunday, November 1, 2026, 1:00 am01:00. Standard time starts annually on the first Sunday of November.

123456789101112End: Mountain Standard Time (MST) ends on Sunday, March 14, 2027 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 14, 2027, 3:00 am03:00 local daylight time instead. Standard time ends annually on the second Sunday of March.

See USA daylight saving time and upcoming clock changes worldwide.

MST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -07 - basic short
  • -0700 - basic
  • -07:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0700 - sign character (-) followed by a four digit time providing hours (07) and minutes (00) of the offset. Indicates an offset of seven hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Tango - Military abbreviation for MST
  • T - short form of 'Tango'
IANA/Olson: Reflects MST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Boise
  • America/Cambridge_Bay
  • America/Ciudad_Juarez
  • America/Creston
  • America/Dawson
  • America/Dawson_Creek
  • America/Denver
  • America/Edmonton
  • America/Fort_Nelson
  • America/Hermosillo
  • America/Inuvik
  • America/Mazatlan
  • America/Phoenix
  • America/Shiprock
  • America/Whitehorse
  • America/Yellowknife
  • Canada/Mountain
  • Canada/Yukon
  • MST
  • MST7MDT
  • Mexico/BajaSur
  • Navajo
  • US/Arizona
  • US/Mountain
Time zones with the GMT -7 offset:
  • MST - Mountain Standard Time
  • PDT - Pacific Daylight Time
  • YST - Yukon Standard Time
  • T - Tango Time Zone

Coordinated Universal Time

Offset: UTC is the same as Greenwich Mean Time (GMT).

Countries using this time zone: Antarctica, Burkina Faso, Faroe Islands, Gambia, Ghana, Greenland, Guernsey, Guinea, Guinea-Bissau, Iceland, Ireland, Isle of Man, Ivory Coast, Jersey, Liberia, Mali, Mauritania, Morocco, Portugal, Saint Helena, São Tomé and Príncipe, Senegal, Sierra Leone, Spain, Togo, United Kingdom, Western Sahara

Principal Cities: The largest city in the UTC time zone is London in the United Kingdom, with about 8.962 million people. Other major cities in this time zone include Abidjan, Bamako, Casablanca, Dakar.

Coordinated Universal Time (UTC) is the world time standard that regulates clocks and time. It is the successor to Greenwich Mean Time (GMT). For casual use, UTC is the same as GMT, but UTC is the standard the scientific community uses.
UTC has been the time standard commonly used across the world since 1972. It is used in many technical fields, such as aviation and meteorology, and to synchronize time across internet networks.

Map of the areas on Coordinated Universal Time (UTC)
UTC all year UTC part of the year

Today some of the lighter areas are on UTC−1.

Open the world time zone map© OpenStreetMap

UTC representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • Z - is the zone designator for the zero UTC/GMT offset, also known as 'Zulu' time
  • +00 - basic short
  • +0000 - basic
  • +00:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0000 - sign character (+) followed by a four digit time providing hours (00) and minutes (00) of the offset. Indicates the zero UTC/GMT offset.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Zulu - Military abbreviation for UTC
  • Z - short form of 'Zulu'
IANA/Olson: Reflects UTC time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Etc/UCT
  • Etc/UTC
  • Etc/Universal
  • Etc/Zulu
  • UCT
  • UTC
  • Universal
  • Zulu
Time zones with the GMT +0 offset:
  • EGST - Eastern Greenland Summer Time
  • GMT - Greenwich Mean Time
  • WET - Western European Time
  • AZOST - Azores Summer Time
  • UTC - Coordinated Universal Time
  • WT - Western Sahara Standard Time
  • Z - Zulu Time Zone

Brasilia Time

Offset: BRT is 3 hours behind Greenwich Mean Time (GMT).

Countries using this time zone: Brazil

Principal Cities: The largest city in the BRT time zone is São Paulo in Brazil, with about 12.4 million people. Other major cities in this time zone include Rio de Janeiro, Belo Horizonte, Salvador, Fortaleza.

Daylight Saving: Clocks in Brasilia Time (BRT) do not change for daylight saving time, so BRT stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.

Map of the areas on Brasilia Time (BRT)
BRT all year

Open the world time zone map© OpenStreetMap

BRT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -03 - basic short
  • -0300 - basic
  • -03:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0300 - sign character (-) followed by a four digit time providing hours (03) and minutes (00) of the offset. Indicates an offset of three hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Papa - Military abbreviation for BRT
  • P - short form of 'Papa'
Time zones with the GMT -3 offset:
  • ADT - Atlantic Daylight Time
  • PMT - Pierre & Miquelon Standard Time
  • PMST - Pierre & Miquelon Standard Time
  • AMST - Amazon Summer Time
  • ART - Argentina Time
  • BRT - Brasilia Time
  • CLST - Chile Summer Time
  • FKST - Falkland Islands Summer Time
  • FKT - Falkland Islands Time
  • GFT - French Guiana Time
  • P - Papa Time Zone
  • PYST - Paraguay Summer Time
  • PYT - Paraguay Time
  • SRT - Suriname Time
  • UYT - Uruguay Time

India Standard Time

Offset: IST is 5 hours and 30 minutes ahead of Greenwich Mean Time (GMT).

Countries using this time zone: India

Principal Cities: The largest city in the IST time zone is Mumbai in India, with about 12.692 million people. Other major cities in this time zone include Delhi, Bengaluru, Hyderabad, Ahmedabad.

Daylight Saving: Clocks in India Standard Time (IST) do not change for daylight saving time, so IST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.

Current time in India: India time now

Map of the areas on India Standard Time (IST)
IST all year

Open the world time zone map© OpenStreetMap

IST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +0530 - basic
  • +05:30 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0530 - sign character (+) followed by a four digit time providing hours (05) and minutes (30) of the offset. Indicates an offset of five hours and thirty minutes to the east of the zero meridian.
IANA/Olson: Reflects IST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Asia/Calcutta
  • Asia/Kolkata
IST Abbreviation: Several time zones share IST abbreviation and it could refer to these time zones
  • India Standard Time - UTC +5:30
  • Irish Standard Time - UTC +1
  • Israel Standard Time - UTC +2

South Africa Standard Time

Offset: SAST is 2 hours ahead of Greenwich Mean Time (GMT).

Countries using this time zone: Eswatini, Lesotho, South Africa

Principal Cities: The largest city in the SAST time zone is Johannesburg in South Africa, with about 9.418 million people. Other major cities in this time zone include Cape Town, Durban, Pretoria, Gqeberha.

Daylight Saving: Clocks in South Africa Standard Time (SAST) do not change for daylight saving time, so SAST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.

Map of the areas on South Africa Standard Time (SAST)
SAST all year

Open the world time zone map© OpenStreetMap

SAST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +02 - basic short
  • +0200 - basic
  • +02:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0200 - sign character (+) followed by a four digit time providing hours (02) and minutes (00) of the offset. Indicates an offset of two hours to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Bravo - Military abbreviation for SAST
  • B - short form of 'Bravo'
IANA/Olson: Reflects SAST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Africa/Johannesburg
  • Africa/Maseru
  • Africa/Mbabane
Time zones with the GMT +2 offset:
  • CEST - Central European Summer Time
  • EET - Eastern European Time
  • MESZ - Mitteleuropäische Sommerzeit
  • B - Bravo Time Zone
  • CAT - Central Africa Time
  • IST - Israel Standard Time
  • SAST - South Africa Standard Time
  • WAST - West Africa Summer Time

Central European Summer Time

Offset: CEST is 2 hours ahead of Greenwich Mean Time (GMT).

Countries using this time zone: Albania, Andorra, Austria, Belgium, Bosnia and Herzegovina, Croatia, Czechia, Denmark, France, Germany, Gibraltar, Hungary, Italy, Kosovo, Liechtenstein, Luxembourg, Malta, Monaco, Montenegro, Netherlands, North Macedonia, Norway, Poland, San Marino, Serbia, Slovakia, Slovenia, Spain, Svalbard and Jan Mayen, Sweden, Switzerland, Vatican City

Principal Cities: The largest city in the CEST time zone is Berlin in Germany, with about 3.426 million people. Other major cities in this time zone include Madrid, Rome, Paris, Hamburg.

German: MESZ - Mitteleuropäische Sommerzeit

Map of the areas on Central European Summer Time (CEST)
CEST part of the year

Today the shaded areas are on UTC+1 (CET).

Open the world time zone map© OpenStreetMap

Daylight Saving: Central European Summer Time (CEST) is a daylight saving/summer time zone, but some places set clocks back one hour during winter and observe Central European Time (CET).

123456789101112End: Central European Summer Time (CEST) ended on Sunday, October 25, 2026 at 3:00 am03:00 local time and clocks were set one hour back to Sunday, October 25, 2026, 2:00 am02:00 local standard time instead. Daylight saving ends annually on the last Sunday of October.

123456789101112Start: Central European Summer Time (CEST) starts on Sunday, March 28, 2027 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 28, 2027, 3:00 am03:00. Daylight saving starts annually on the last Sunday of March.

See upcoming clock changes worldwide.

CEST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +02 - basic short
  • +0200 - basic
  • +02:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0200 - sign character (+) followed by a four digit time providing hours (02) and minutes (00) of the offset. Indicates an offset of two hours to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Bravo - Military abbreviation for CEST
  • B - short form of 'Bravo'
IANA/Olson: Reflects CEST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Africa/Ceuta
  • Arctic/Longyearbyen
  • Atlantic/Jan_Mayen
  • CET
  • Europe/Amsterdam
  • Europe/Andorra
  • Europe/Belgrade
  • Europe/Berlin
  • Europe/Bratislava
  • Europe/Brussels
  • Europe/Budapest
  • Europe/Busingen
  • Europe/Copenhagen
  • Europe/Gibraltar
  • Europe/Ljubljana
  • Europe/Luxembourg
  • Europe/Madrid
  • Europe/Malta
  • Europe/Monaco
  • Europe/Oslo
  • Europe/Paris
  • Europe/Podgorica
  • Europe/Prague
  • Europe/Rome
  • Europe/San_Marino
  • Europe/Sarajevo
  • Europe/Skopje
  • Europe/Stockholm
  • Europe/Tirane
  • Europe/Vaduz
  • Europe/Vatican
  • Europe/Vienna
  • Europe/Warsaw
  • Europe/Zagreb
  • Europe/Zurich
  • MET
  • Poland
Time zones with the GMT +2 offset:
  • CEST - Central European Summer Time
  • EET - Eastern European Time
  • MESZ - Mitteleuropäische Sommerzeit
  • B - Bravo Time Zone
  • CAT - Central Africa Time
  • IST - Israel Standard Time
  • SAST - South Africa Standard Time
  • WAST - West Africa Summer Time