EST to AST to PST to CST to GMT to SAST to Sydney to Brisbane to IST to MST Time Converter

Updating current time…
EST
Eastern Standard Time
UTC−5
12am
3am
6am
9am
12pm
3pm
6pm
9pm
AST
Atlantic Standard Time
UTC−4
1h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
PST
Pacific Standard Time
UTC−8
3h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm
CST
Central Standard Time
UTC−6
1h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm
GMT
Greenwich Mean Time
UTC+0
5h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
SAST
South Africa Standard Time
UTC+2
7h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Sydney
AustraliaAEDT
UTC+11
16h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Brisbane
AustraliaAEST
UTC+10
15h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
IST
India Standard Time
UTC+5:30
10h 30m ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
MST
Mountain Standard Time
UTC−7
2h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

7:00 am07:00 EST (UTC-5), Nov 11, 2026 = 8:00 am08:00 AST (UTC-4), Nov 11, 2026 = 4:00 am04:00 PST (UTC-8), Nov 11, 2026 = 6:00 am06:00 CST (UTC-6), Nov 11, 2026 = 12:00 pm12:00 GMT (UTC+0), Nov 11, 2026 = 2:00 pm14:00 SAST (UTC+2), Nov 11, 2026 = 11:00 pm23:00 AEDT (UTC+11), Nov 11, 2026 = 10:00 pm22:00 AEST (UTC+10), Nov 11, 2026 = 5:30 pm17:30 IST (UTC+5:30), Nov 11, 2026 = 5:00 am05:00 MST (UTC-7), Nov 11, 2026

EST is 1 hour behind AST. EST is 3 hours ahead of PST. EST is 1 hour ahead of CST. EST is 5 hours behind GMT. EST is 7 hours behind SAST. EST is 16 hours behind Sydney. EST is 15 hours behind Brisbane. EST is 10 hours and 30 minutes behind IST. EST is 2 hours ahead of MST.

How the time difference changes

EST to AST

For most of the year, EDT is 1 hour behind ADT. From Nov 1, 2026 to Mar 14, 2027, and from Nov 7, 2027 to Mar 12, 2028, EST is 1 hour behind AST. Briefly around clock changes, EDT and AST have the same time or EST is 2 hours behind ADT.

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

EST to PST

For most of the year, EDT is 3 hours ahead of PDT. From Nov 1, 2026 to Mar 14, 2027, and from Nov 7, 2027 to Mar 12, 2028, EST is 3 hours ahead of PST. Briefly around clock changes, EDT is 4 hours ahead of PST or EST is 2 hours ahead of PDT.

For most of the year, working hours of 9:00 am to 6:00 pm in EDT correspond to 6:00 am to 3:00 pm in PDT. At other times of the year, working hours of 9:00 am to 6:00 pm in EST correspond to 6:00 am to 3:00 pm in PST.For most of the year, working hours of 09:00 to 18:00 in EDT correspond to 06:00 to 15:00 in PDT. At other times of the year, working hours of 09:00 to 18:00 in EST correspond to 06:00 to 15:00 in PST.

EST to CST

For most of the year, EDT is 1 hour ahead of CDT. From Nov 1, 2026 to Mar 14, 2027, and from Nov 7, 2027 to Mar 12, 2028, EST is 1 hour ahead of CST. Briefly around clock changes, EDT is 2 hours ahead of CST or EST and CDT have the same time.

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

EST to GMT

For most of the year, EDT is 4 hours behind GMT. From Nov 1, 2026 to Mar 14, 2027, and from Nov 7, 2027 to Mar 12, 2028, EST is 5 hours behind GMT.

For most of the year, working hours of 9:00 am to 6:00 pm in EDT correspond to 1:00 pm to 10:00 pm in GMT. At other times of the year, working hours of 9:00 am to 6:00 pm in EST correspond to 2:00 pm to 11:00 pm in GMT.For most of the year, working hours of 09:00 to 18:00 in EDT correspond to 13:00 to 22:00 in GMT. At other times of the year, working hours of 09:00 to 18:00 in EST correspond to 14:00 to 23:00 in GMT.

EST to SAST

For most of the year, EDT is 6 hours behind SAST. From Nov 1, 2026 to Mar 14, 2027, and from Nov 7, 2027 to Mar 12, 2028, EST is 7 hours behind SAST.

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

EST to Sydney

Depending on seasonal clock changes, EDT is 14 hours behind Sydney, EDT is 15 hours behind Sydney, or EST is 16 hours behind Sydney.

Depending on seasonal clock changes, working hours of 9:00 am to 6:00 pm in EDT correspond to 11:00 pm to 8:00 am (next day) in Sydney, working hours of 9:00 am to 6:00 pm in EDT correspond to 12:00 am (next day) to 9:00 am (next day) in Sydney, or working hours of 9:00 am to 6:00 pm in EST correspond to 1:00 am (next day) to 10:00 am (next day) in Sydney.Depending on seasonal clock changes, working hours of 09:00 to 18:00 in EDT correspond to 23:00 to 08:00 (next day) in Sydney, working hours of 09:00 to 18:00 in EDT correspond to 00:00 (next day) to 09:00 (next day) in Sydney, or working hours of 09:00 to 18:00 in EST correspond to 01:00 (next day) to 10:00 (next day) in Sydney.

EST to Brisbane

For most of the year, EDT is 14 hours behind Brisbane. From Nov 1, 2026 to Mar 14, 2027, and from Nov 7, 2027 to Mar 12, 2028, EST is 15 hours behind Brisbane.

For most of the year, working hours of 9:00 am to 6:00 pm in EDT correspond to 11:00 pm to 8:00 am (next day) in Brisbane. At other times of the year, working hours of 9:00 am to 6:00 pm in EST correspond to 12:00 am (next day) to 9:00 am (next day) in Brisbane.For most of the year, working hours of 09:00 to 18:00 in EDT correspond to 23:00 to 08:00 (next day) in Brisbane. At other times of the year, working hours of 09:00 to 18:00 in EST correspond to 00:00 (next day) to 09:00 (next day) in Brisbane.

EST to IST

For most of the year, EDT is 9 hours and 30 minutes behind IST. From Nov 1, 2026 to Mar 14, 2027, and from Nov 7, 2027 to Mar 12, 2028, EST is 10 hours and 30 minutes behind IST.

For most of the year, working hours of 9:00 am to 6:00 pm in EDT correspond to 6:30 pm to 3:30 am (next day) in IST. At other times of the year, working hours of 9:00 am to 6:00 pm in EST correspond to 7:30 pm to 4:30 am (next day) in IST.For most of the year, working hours of 09:00 to 18:00 in EDT correspond to 18:30 to 03:30 (next day) in IST. At other times of the year, working hours of 09:00 to 18:00 in EST correspond to 19:30 to 04:30 (next day) in IST.

EST to MST

For most of the year, EDT is 2 hours ahead of MDT. From Nov 1, 2026 to Mar 14, 2027, and from Nov 7, 2027 to Mar 12, 2028, EST is 2 hours ahead of MST. Briefly around clock changes, EDT is 3 hours ahead of MST or EST is 1 hour ahead of MDT.

For most of the year, working hours of 9:00 am to 6:00 pm in EDT correspond to 7:00 am to 4:00 pm in MDT. At other times of the year, working hours of 9:00 am to 6:00 pm in EST correspond to 7:00 am to 4:00 pm in MST.For most of the year, working hours of 09:00 to 18:00 in EDT correspond to 07:00 to 16:00 in MDT. At other times of the year, working hours of 09:00 to 18:00 in EST correspond to 07:00 to 16:00 in MST.

Compare EST time with AST, PST, CST, GMT, SAST, Sydney, Brisbane, IST, and MST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

Eastern Standard Time is 1 hour behind Atlantic Standard Time. Eastern Standard Time is 3 hours ahead of Pacific Standard Time. Eastern Standard Time is 1 hour ahead of Central Standard Time. Eastern Standard Time is 5 hours behind Greenwich Mean Time. Eastern Standard Time is 7 hours behind South Africa Standard Time. Eastern Standard Time is 16 hours behind AEDT (Australian Eastern Daylight Time). Eastern Standard Time is 15 hours behind AEST (Australian Eastern Standard Time). Eastern Standard Time is 10 hours and 30 minutes behind India Standard Time. Eastern Standard Time is 2 hours ahead of Mountain Standard Time.
7:00 am07:00 in EST is 8:00 am08:00 in AST and is 4:00 am04:00 in PST and is 6:00 am06:00 in CST and is 12:00 pm12:00 in GMT and is 2:00 pm14:00 in SAST and is 11:00 pm23:00 in Sydney, Australia and is 10:00 pm22:00 in Brisbane, Australia and is 5:30 pm17:30 in IST and is 5:00 am05:00 in MST

EST to AST call time
Best time for a conference call or a meeting is between 9am-5pm09:00-17:00 in EST which corresponds to 10am-6pm10:00-18:00 in AST.
EST to PST call time
Best time for a conference call or a meeting is between 12pm-6pm12:00-18:00 in EST which corresponds to 9am-3pm09:00-15:00 in PST.
EST to CST call time
Best time for a conference call or a meeting is between 10am-6pm10:00-18:00 in EST which corresponds to 9am-5pm09:00-17:00 in CST.
EST to GMT call time
Best time for a conference call or a meeting is between 9am-1pm09:00-13:00 in EST which corresponds to 2pm-6pm14:00-18:00 in GMT.
EST to SAST call time
Best time for a conference call or a meeting is between 9am-11am09:00-11:00 in EST which corresponds to 4pm-6pm16:00-18:00 in SAST.
EST to Sydney call time
Best time for a conference call or a meeting is between 5pm-6pm17:00-18:00 in EST which corresponds to 9am-10am09:00-10:00 in Sydney (next day).
EST to Brisbane call time
Best time for a conference call or a meeting is between 5:30pm-6:30pm17:30-18:30 in EST which corresponds to 8:30am-9:30am08:30-09:30 in Brisbane (next day). Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.
EST to IST call time
Best time for a conference call or a meeting is between 8am-9am08:00-09:00 in EST which corresponds to 6:30pm-7:30pm18:30-19:30 in IST. Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.
EST to MST call time
Best time for a conference call or a meeting is between 11am-6pm11:00-18:00 in EST which corresponds to 9am-4pm09:00-16:00 in MST.

7:00 am07:00 Eastern Standard Time (EST). Offset UTC -5:00 hours
8:00 am08:00 Atlantic Standard Time (AST). Offset UTC -4:00 hours
4:00 am04:00 Pacific Standard Time (PST). Offset UTC -8:00 hours
6:00 am06:00 Central Standard Time (CST). Offset UTC -6:00 hours
12:00 pm12:00 Greenwich Mean Time (GMT). Offset UTC 0:00 hours
2:00 pm14:00 South Africa Standard Time (SAST). Offset UTC +2:00 hours
11:00 pm23:00 AEDT (Australian Eastern Daylight Time) (Sydney, Australia). Offset UTC +11:00 hours
10:00 pm22:00 AEST (Australian Eastern Standard Time) (Brisbane, Australia). Offset UTC +10:00 hours
5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours
5:00 am05:00 Mountain Standard Time (MST). Offset UTC -7:00 hours

7:00 am07:00 EST / 8:00 am08:00 AST / 4:00 am04:00 PST / 6:00 am06:00 CST / 12:00 pm12:00 GMT / 2:00 pm14:00 SAST / 11:00 pm23:00 Sydney, Australia / 10:00 pm22:00 Brisbane, Australia / 5:30 pm17:30 IST / 5:00 am05:00 MST

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
ESTASTPSTCSTGMTSASTSydney, AustraliaBrisbane, AustraliaISTMST
1:00am9:00pm previous day11:00pm previous day5:00am7:00am4:00pm3:00pm10:30am10:00pm previous day
2:00am10:00pm previous day12:00am6:00am8:00am5:00pm4:00pm11:30am11:00pm previous day
3:00am11:00pm previous day1:00am7:00am9:00am6:00pm5:00pm12:30pm12:00am
4:00am12:00am2:00am8:00am10:00am7:00pm6:00pm1:30pm1:00am
5:00am1:00am3:00am9:00am11:00am8:00pm7:00pm2:30pm2:00am
6:00am2:00am4:00am10:00am12:00pm9:00pm8:00pm3:30pm3:00am
7:00am3:00am5:00am11:00am1:00pm10:00pm9:00pm4:30pm4:00am
8:00am4:00am6:00am12:00pm2:00pm11:00pm10:00pm5:30pm5:00am
9:00am5:00am7:00am1:00pm3:00pm12:00am next day11:00pm6:30pm6:00am
10:00am6:00am8:00am2:00pm4:00pm1:00am next day12:00am next day7:30pm7:00am
11:00am7:00am9:00am3:00pm5:00pm2:00am next day1:00am next day8:30pm8:00am
12:00pm8:00am10:00am4:00pm6:00pm3:00am next day2:00am next day9:30pm9:00am
1:00pm9:00am11:00am5:00pm7:00pm4:00am next day3:00am next day10:30pm10:00am
2:00pm10:00am12:00pm6:00pm8:00pm5:00am next day4:00am next day11:30pm11:00am
3:00pm11:00am1:00pm7:00pm9:00pm6:00am next day5:00am next day12:30am next day12:00pm
4:00pm12:00pm2:00pm8:00pm10:00pm7:00am next day6:00am next day1:30am next day1:00pm
5:00pm1:00pm3:00pm9:00pm11:00pm8:00am next day7:00am next day2:30am next day2:00pm
6:00pm2:00pm4:00pm10:00pm12:00am next day9:00am next day8:00am next day3:30am next day3:00pm
7:00pm3:00pm5:00pm11:00pm1:00am next day10:00am next day9:00am next day4:30am next day4:00pm
8:00pm4:00pm6:00pm12:00am next day2:00am next day11:00am next day10:00am next day5:30am next day5:00pm
9:00pm5:00pm7:00pm1:00am next day3:00am next day12:00pm next day11:00am next day6:30am next day6:00pm
10:00pm6:00pm8:00pm2:00am next day4:00am next day1:00pm next day12:00pm next day7:30am next day7:00pm
11:00pm7:00pm9:00pm3:00am next day5:00am next day2:00pm next day1:00pm next day8:30am next day8:00pm
12:00am next day8:00pm10:00pm4:00am next day6:00am next day3:00pm next day2:00pm next day9:30am next day9:00pm
01:0021:00 previous day23:00 previous day05:0007:0016:0015:0010:3022:00 previous day
02:0022:00 previous day00:0006:0008:0017:0016:0011:3023:00 previous day
03:0023:00 previous day01:0007:0009:0018:0017:0012:3000:00
04:0000:0002:0008:0010:0019:0018:0013:3001:00
05:0001:0003:0009:0011:0020:0019:0014:3002:00
06:0002:0004:0010:0012:0021:0020:0015:3003:00
07:0003:0005:0011:0013:0022:0021:0016:3004:00
08:0004:0006:0012:0014:0023:0022:0017:3005:00
09:0005:0007:0013:0015:0000:00 next day23:0018:3006:00
10:0006:0008:0014:0016:0001:00 next day00:00 next day19:3007:00
11:0007:0009:0015:0017:0002:00 next day01:00 next day20:3008:00
12:0008:0010:0016:0018:0003:00 next day02:00 next day21:3009:00
13:0009:0011:0017:0019:0004:00 next day03:00 next day22:3010:00
14:0010:0012:0018:0020:0005:00 next day04:00 next day23:3011:00
15:0011:0013:0019:0021:0006:00 next day05:00 next day00:30 next day12:00
16:0012:0014:0020:0022:0007:00 next day06:00 next day01:30 next day13:00
17:0013:0015:0021:0023:0008:00 next day07:00 next day02:30 next day14:00
18:0014:0016:0022:0000:00 next day09:00 next day08:00 next day03:30 next day15:00
19:0015:0017:0023:0001:00 next day10:00 next day09:00 next day04:30 next day16:00
20:0016:0018:0000:00 next day02:00 next day11:00 next day10:00 next day05:30 next day17:00
21:0017:0019:0001:00 next day03:00 next day12:00 next day11:00 next day06:30 next day18:00
22:0018:0020:0002:00 next day04:00 next day13:00 next day12:00 next day07:30 next day19:00
23:0019:0021:0003:00 next day05:00 next day14:00 next day13:00 next day08:30 next day20:00
00:00 next day20:0022:0004:00 next day06:00 next day15:00 next day14:00 next day09:30 next day21:00

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

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

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

Central Standard Time

Offset: CST is 6 hours behind Greenwich Mean Time (GMT).

Countries using this time zone: Belize, Canada, Costa Rica, El Salvador, Guatemala, Honduras, Mexico, Nicaragua, United States

Principal Cities: The largest city in the CST time zone is Mexico City in Mexico, with about 12.294 million people. Other major cities in this time zone include Chicago, Houston, Puebla, Santiago de Querétaro.

French: HNC - Heure Normale du Centre

Spanish: CT - Tiempo Central Estándar, CT - Zona Centro

Map of the areas on Central Standard Time (CST)
CST all year CST part of the year

Today all shaded areas are on CST.

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 Central Daylight Time (CDT).

123456789101112Start: Central Standard Time (CST) 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: Central Standard Time (CST) 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.

CST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -06 - basic short
  • -0600 - basic
  • -06:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0600 - sign character (-) followed by a four digit time providing hours (06) and minutes (00) of the offset. Indicates an offset of six hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Sierra - Military abbreviation for CST
  • S - short form of 'Sierra'
IANA/Olson: Reflects CST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Bahia_Banderas
  • America/Belize
  • America/Chicago
  • America/Chihuahua
  • America/Costa_Rica
  • America/El_Salvador
  • America/Guatemala
  • America/Indiana/Knox
  • America/Indiana/Tell_City
  • America/Knox_IN
  • America/Managua
  • America/Matamoros
  • America/Menominee
  • America/Merida
  • America/Mexico_City
  • America/Monterrey
  • America/North_Dakota/Beulah
  • America/North_Dakota/Center
  • America/North_Dakota/New_Salem
  • America/Ojinaga
  • America/Rainy_River
  • America/Rankin_Inlet
  • America/Regina
  • America/Resolute
  • America/Swift_Current
  • America/Tegucigalpa
  • America/Winnipeg
  • CST6CDT
  • Canada/Central
  • Canada/Saskatchewan
  • Mexico/General
  • US/Central
  • US/Indiana-Starke
CST Abbreviation: Several time zones share CST abbreviation and it could refer to these time zones
  • Central Standard Time - UTC -6
  • China Standard Time - UTC +8
  • Cuba Standard Time - UTC -5
Time zones with the GMT -6 offset:
  • CST - Central Standard Time
  • CT - Central Time
  • MDT - Mountain Daylight Time
  • EAST - Easter Island Standard Time
  • GALT - Galapagos Time
  • S - Sierra Time Zone

Greenwich Mean Time

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

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

Principal Cities: The largest city in the GMT 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.

Greenwich Mean Time (GMT) originally referred to the mean solar time at the Royal Observatory in Greenwich, London. It is now often used to refer to Coordinated Universal Time (UTC) when this is viewed as a time zone, and in casual use the two are the same. In the military, GMT is known as Zulu time. Greenwich Mean Time was the same as Universal Time (UT), a standard astronomical concept used in many technical fields, until the introduction of UTC in 1972.

Map of the areas on Greenwich Mean Time (GMT)
GMT all year GMT part of the year

Today all shaded areas are on GMT.

Open the world time zone map© OpenStreetMap

GMT 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 GMT
  • Z - short form of 'Zulu'
IANA/Olson: Reflects GMT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Africa/Abidjan
  • Africa/Accra
  • Africa/Bamako
  • Africa/Banjul
  • Africa/Bissau
  • Africa/Conakry
  • Africa/Dakar
  • Africa/Freetown
  • Africa/Lome
  • Africa/Monrovia
  • Africa/Nouakchott
  • Africa/Ouagadougou
  • Africa/Sao_Tome
  • Africa/Timbuktu
  • America/Danmarkshavn
  • Atlantic/Reykjavik
  • Atlantic/St_Helena
  • Eire
  • Etc/GMT
  • Etc/GMT+0
  • Etc/GMT-0
  • Etc/GMT0
  • Etc/Greenwich
  • Europe/Belfast
  • Europe/Dublin
  • Europe/Guernsey
  • Europe/Isle_of_Man
  • Europe/Jersey
  • Europe/London
  • GB
  • GB-Eire
  • GMT
  • GMT+0
  • GMT-0
  • GMT0
  • Greenwich
  • Iceland
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

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

Sydney Time Zone and Facts

Time Zone

Abbreviation / Offset
AEDT – Australian Eastern Daylight Time, UTC+11 (now, daylight saving time)
AEST – Australian Eastern Standard Time, UTC+10 (standard time)
Daylight Saving Time Ends
123456789101112Sunday, April 4, 2027 at 3:00 amSunday, April 4, 2027 at 03:00: clocks go back 1 hour to 2:00 am02:00 (AEST). DST ends on the 1st Sunday of April each year. Also called Fall Back or Winter Time.
Daylight Saving Time Starts
123456789101112Sunday, October 3, 2027 at 2:00 amSunday, October 3, 2027 at 02:00: clocks go forward 1 hour to 3:00 am03:00 (AEDT). DST starts on the 1st Sunday of October each year. Also called Spring Forward or Summer Time.
Clock Changes
Australia daylight saving time · Clock changes worldwide

Sydney Facts

Country
Australia
Alternative Names
SYD, Sanctus Dionysius, Sedniejos, Sek-na, Sidnef, Sidnei, Sidnej, Sidneja, Sidnejo, Sidnejus, Sidney, Sidneý, Sidni, Sidnéy, Sidnėjus, Sit-ni, Sit-nì, Syd, Sydneium, Sydney, Sydney City, Sék-nà̤, Sídney, Sîdney, Sėdniejos, citni, shidoni, sidani, sideuni, sidnei, sidni, sidniy, sydny, xi ni, xue li, Σίδνεϋ, Сиднеи, Сидней, Сиднеј, Сидни, Сідней, Сідні, Սիդնեյ, סידני, سيدنى, سيدني, سڈنی, سیدنی, ܣܝܕܢܝ, सिडनी, सिड्नी, सिद्नी, সিডনি, ਸਿਡਨੀ, સીડની, சிட்னி, సిడ్నీ, ಸಿಡ್ನಿ, സിഡ്നി, සිඩ්නි, ซิดนีย์, སིད་ནེ།, ဆစ်ဒနီမြို့, სიდნეი, ሲድኒ, ស៊ីដនីយ៏, シドニー, 悉尼, 雪梨, 시드니
Population
5,638,830
Currency
Dollar (AUD)
Geographic Coordinates
33° 52' S Latitude / 151° 12' E Longitude
International Dialing Code
+61
More About Sydney
Sydney time now

Brisbane Time Zone and Facts

Time Zone

Abbreviation / Offset
AEST – Australian Eastern Standard Time, UTC+10 (no daylight saving time)

Brisbane Facts

Country
Australia
Alternative Names
BNE, Bresbens, Brisbane, Brisbane City, Brisbano, Brisbehn, Brisben, Brisbena, Brisbenas, Brisbin, Brismpein, Brizbejn, Brysben, Brėsbens, Pu-li-su-pan, Pu-lî-sṳ̂-pân, beulijeubeon, brisabena, brisben, brisbena, brizabana, brizbeni, brsbyn, brysban, bryzbn, bryzbyn, bryzbyyn, bu li si ban, bu li si ben, burisuben, pirispen, Μπρίσμπεϊν, Бризбейн, Бризбејн, Брисбен, Брисбэн, Брысбен, בריזביין, בריזבן, برسبین, برىسبان, بريزبن, بریزبن, بریزبین, بریزبێن, ब्रिसबेन, ब्रिस्बेन, ব্রিসবেন, ਬ੍ਰਿਜ਼ਬਨ, பிரிஸ்பேன், బ్రిస్బేన్, ಬ್ರಿಸ್ಬೇನ್‌, ബ്രിസ്ബെയ്ൻ, บริสเบน, ဘရစ်စဘိန်းမြို့, ბრიზბენი, ብርዝበን, ブリスベン, 布里司班, 布里斯本, 布里斯班, 브리즈번
Population
2,780,063
Currency
Dollar (AUD)
Geographic Coordinates
27° 28' S Latitude / 153° 01' E Longitude
International Dialing Code
+61
More About Brisbane
Brisbane time now

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

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