CET to AEST to BST to EST to CST to MDT to PST Time Converter

Updating current time…
CET
Central European Time
UTC+1
12am
3am
6am
9am
12pm
3pm
6pm
9pm
AEST
Australian Eastern Standard Time
UTC+10
9h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Eastern Australia is on daylight saving time: AEDT (UTC+11) until Sun, Apr 4, 2027.

Queensland stays on AEST (UTC+10).

Queensland · AEST all year (UTC+10)Sydney, Melbourne · AEDT (UTC+11)
GMT/BST
Greenwich Mean Time
UTC+0
1h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm
The United Kingdom is on standard time: GMT (UTC+0) until Sun, Mar 28, 2027.
Keep BST (UTC+1)
EST
Eastern Standard Time
UTC−5
yesterday (previous day)
6h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm
CST
Central Standard Time
UTC−6
yesterday (previous day)
7h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm
MST/MDT
Mountain Standard Time
UTC−7
yesterday (previous day)
8h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Mountain Time is on standard time: MST (UTC−7) until Sun, Mar 14, 2027.
Keep MDT (UTC−6)
PST
Pacific Standard Time
UTC−8
yesterday (previous day)
9h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

4:00 am04:00 CET (UTC+1), Nov 1, 2026 = 1:00 pm13:00 AEST (UTC+10), Nov 1, 2026 = 3:00 am03:00 GMT (UTC+0), Nov 1, 2026 = 10:00 pm22:00 EST (UTC-5), Oct 31, 2026 = 9:00 pm21:00 CST (UTC-6), Oct 31, 2026 = 8:00 pm20:00 MST (UTC-7), Oct 31, 2026 = 7:00 pm19:00 PST (UTC-8), Oct 31, 2026

CET is 9 hours behind AEST. CET is 1 hour ahead of GMT. CET is 6 hours ahead of EST. CET is 7 hours ahead of CST. CET is 8 hours ahead of MST. CET is 9 hours ahead of PST.

How the time difference changes

CET to AEST

For most of the year, CEST is 8 hours behind AEST. From Oct 25, 2026 to Mar 28, 2027, and from Oct 31, 2027 to Mar 26, 2028, CET is 9 hours behind AEST.

For most of the year, working hours of 9:00 am to 6:00 pm in CEST correspond to 5:00 pm to 2:00 am (next day) in AEST. At other times of the year, working hours of 9:00 am to 6:00 pm in CET correspond to 6:00 pm to 3:00 am (next day) in AEST.For most of the year, working hours of 09:00 to 18:00 in CEST correspond to 17:00 to 02:00 (next day) in AEST. At other times of the year, working hours of 09:00 to 18:00 in CET correspond to 18:00 to 03:00 (next day) in AEST.

CET to BST

For most of the year, CEST is 1 hour ahead of BST. From Oct 25, 2026 to Mar 28, 2027, and from Oct 31, 2027 to Mar 26, 2028, CET is 1 hour ahead of GMT.

For most of the year, working hours of 9:00 am to 6:00 pm in CEST correspond to 8:00 am to 5:00 pm in BST. At other times of the year, working hours of 9:00 am to 6:00 pm in CET correspond to 8:00 am to 5:00 pm in GMT.For most of the year, working hours of 09:00 to 18:00 in CEST correspond to 08:00 to 17:00 in BST. At other times of the year, working hours of 09:00 to 18:00 in CET correspond to 08:00 to 17:00 in GMT.

CET to EST

For most of the year, CEST is 6 hours ahead of EDT. From Oct 25 to Nov 1, 2026, from Mar 14 to Mar 28, 2027, and from Oct 31 to Nov 7, 2027, CET is 5 hours ahead of EDT. From Nov 1, 2026 to Mar 14, 2027, CET is 6 hours ahead of EST.

For most of the year, working hours of 9:00 am to 6:00 pm in CEST correspond to 3:00 am to 12:00 pm in EDT. At other times of the year, working hours of 9:00 am to 6:00 pm in CET correspond to 3:00 am to 12:00 pm in EST or working hours of 9:00 am to 6:00 pm in CET correspond to 4:00 am to 1:00 pm in EDT.For most of the year, working hours of 09:00 to 18:00 in CEST correspond to 03:00 to 12:00 in EDT. At other times of the year, working hours of 09:00 to 18:00 in CET correspond to 03:00 to 12:00 in EST or working hours of 09:00 to 18:00 in CET correspond to 04:00 to 13:00 in EDT.

CET to CST

For most of the year, CEST is 7 hours ahead of CDT. From Oct 25 to Nov 1, 2026, from Mar 14 to Mar 28, 2027, and from Oct 31 to Nov 7, 2027, CET is 6 hours ahead of CDT. From Nov 1, 2026 to Mar 14, 2027, CET is 7 hours ahead of CST.

For most of the year, working hours of 9:00 am to 6:00 pm in CEST correspond to 2:00 am to 11:00 am in CDT. At other times of the year, working hours of 9:00 am to 6:00 pm in CET correspond to 2:00 am to 11:00 am in CST or working hours of 9:00 am to 6:00 pm in CET correspond to 3:00 am to 12:00 pm in CDT.For most of the year, working hours of 09:00 to 18:00 in CEST correspond to 02:00 to 11:00 in CDT. At other times of the year, working hours of 09:00 to 18:00 in CET correspond to 02:00 to 11:00 in CST or working hours of 09:00 to 18:00 in CET correspond to 03:00 to 12:00 in CDT.

CET to MDT

For most of the year, CEST is 8 hours ahead of MDT. From Oct 25 to Nov 1, 2026, from Mar 14 to Mar 28, 2027, and from Oct 31 to Nov 7, 2027, CET is 7 hours ahead of MDT. From Nov 1, 2026 to Mar 14, 2027, CET is 8 hours ahead of MST.

For most of the year, working hours of 9:00 am to 6:00 pm in CEST correspond to 1:00 am to 10:00 am in MDT. At other times of the year, working hours of 9:00 am to 6:00 pm in CET correspond to 1:00 am to 10:00 am in MST or working hours of 9:00 am to 6:00 pm in CET correspond to 2:00 am to 11:00 am in MDT.For most of the year, working hours of 09:00 to 18:00 in CEST correspond to 01:00 to 10:00 in MDT. At other times of the year, working hours of 09:00 to 18:00 in CET correspond to 01:00 to 10:00 in MST or working hours of 09:00 to 18:00 in CET correspond to 02:00 to 11:00 in MDT.

CET to PST

For most of the year, CEST is 9 hours ahead of PDT. From Oct 25 to Nov 1, 2026, from Mar 14 to Mar 28, 2027, and from Oct 31 to Nov 7, 2027, CET is 8 hours ahead of PDT. From Nov 1, 2026 to Mar 14, 2027, CET is 9 hours ahead of PST.

For most of the year, working hours of 9:00 am to 6:00 pm in CEST correspond to 12:00 am to 9:00 am in PDT. At other times of the year, working hours of 9:00 am to 6:00 pm in CET correspond to 12:00 am to 9:00 am in PST or working hours of 9:00 am to 6:00 pm in CET correspond to 1:00 am to 10:00 am in PDT.For most of the year, working hours of 09:00 to 18:00 in CEST correspond to 00:00 to 09:00 in PDT. At other times of the year, working hours of 09:00 to 18:00 in CET correspond to 00:00 to 09:00 in PST or working hours of 09:00 to 18:00 in CET correspond to 01:00 to 10:00 in PDT.

Compare CET time with AEST, BST, EST, CST, MDT, and PST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

Central European Time is 9 hours behind Australian Eastern Standard Time. Central European Time is 1 hour ahead of Greenwich Mean Time. Central European Time is 6 hours ahead of Eastern Standard Time. Central European Time is 7 hours ahead of Central Standard Time. Central European Time is 8 hours ahead of Mountain Standard Time. Central European Time is 9 hours ahead of Pacific Standard Time.
4:00 am04:00 in CET is 1:00 pm13:00 in AEST and is 3:00 am03:00 in GMT and is 10:00 pm22:00 in EST and is 9:00 pm21:00 in CST and is 8:00 pm20:00 in MST and is 7:00 pm19:00 in PST

CET to AEST call time
Best time for a conference call or a meeting is between 8:30am-9:30am08:30-09:30 in CET which corresponds to 5:30pm-6:30pm17:30-18:30 in AEST. Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.
CET to GMT call time
Best time for a conference call or a meeting is between 10am-6pm10:00-18:00 in CET which corresponds to 9am-5pm09:00-17:00 in GMT
CET to EST call time
Best time for a conference call or a meeting is between 3pm-6pm15:00-18:00 in CET which corresponds to 9am-12pm09:00-12:00 in EST
CET to CST call time
Best time for a conference call or a meeting is between 4pm-6pm16:00-18:00 in CET which corresponds to 9am-11am09:00-11:00 in CST
CET to MST call time
Best time for a conference call or a meeting is between 5pm-6pm17:00-18:00 in CET which corresponds to 9am-10am09:00-10:00 in MST
CET to PST call time
Best time for a conference call or a meeting is between 5:30pm-6:30pm17:30-18:30 in CET which corresponds to 8:30am-9:30am08:30-09:30 in PST. Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.

4:00 am04:00 Central European Time (CET). Offset UTC +1:00 hour
1:00 pm13:00 Australian Eastern Standard Time (AEST). Offset UTC +10:00 hours
3:00 am03:00 Greenwich Mean Time (GMT). Offset UTC 0:00 hours
10:00 pm22:00 Eastern Standard Time (EST). Offset UTC -5:00 hours
9:00 pm21:00 Central Standard Time (CST). Offset UTC -6:00 hours
8:00 pm20:00 Mountain Standard Time (MST). Offset UTC -7:00 hours
7:00 pm19:00 Pacific Standard Time (PST). Offset UTC -8:00 hours

4:00 am04:00 CET / 1:00 pm13:00 AEST / 3:00 am03:00 GMT / 10:00 pm22:00 EST / 9:00 pm21:00 CST / 8:00 pm20:00 MST / 7:00 pm19:00 PST

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
CETAESTGMTESTCSTMSTPST
9:00am11:00pm previous day7:00pm previous day EDT UTC-46:00pm previous day CDT UTC-55:00pm previous day MDT UTC-64:00pm previous day PDT UTC-7
10:00am12:00am8:00pm previous day EDT UTC-47:00pm previous day CDT UTC-56:00pm previous day MDT UTC-65:00pm previous day PDT UTC-7
11:00am1:00am9:00pm previous day EDT UTC-48:00pm previous day CDT UTC-57:00pm previous day MDT UTC-66:00pm previous day PDT UTC-7
12:00pm2:00am10:00pm previous day EDT UTC-49:00pm previous day CDT UTC-58:00pm previous day MDT UTC-67:00pm previous day PDT UTC-7
1:00pm3:00am11:00pm previous day EDT UTC-410:00pm previous day CDT UTC-59:00pm previous day MDT UTC-68:00pm previous day PDT UTC-7
2:00pm4:00am12:00am EDT UTC-411:00pm previous day CDT UTC-510:00pm previous day MDT UTC-69:00pm previous day PDT UTC-7
3:00pm5:00am1:00am EDT UTC-412:00am CDT UTC-511:00pm previous day MDT UTC-610:00pm previous day PDT UTC-7
4:00pm6:00am1:00am1:00am CDT UTC-512:00am MDT UTC-611:00pm previous day PDT UTC-7
5:00pm7:00am2:00am1:00am1:00am MDT UTC-612:00am PDT UTC-7
6:00pm8:00am3:00am2:00am1:00am1:00am PDT UTC-7
7:00pm9:00am4:00am3:00am2:00am1:00am
8:00pm10:00am5:00am4:00am3:00am2:00am
9:00pm11:00am6:00am5:00am4:00am3:00am
10:00pm12:00pm7:00am6:00am5:00am4:00am
11:00pm1:00pm8:00am7:00am6:00am5:00am
12:00am next day2:00pm9:00am8:00am7:00am6:00am
1:00am next day3:00pm10:00am9:00am8:00am7:00am
2:00am next day4:00pm11:00am10:00am9:00am8:00am
3:00am next day5:00pm12:00pm11:00am10:00am9:00am
4:00am next day6:00pm1:00pm12:00pm11:00am10:00am
5:00am next day7:00pm2:00pm1:00pm12:00pm11:00am
6:00am next day8:00pm3:00pm2:00pm1:00pm12:00pm
7:00am next day9:00pm4:00pm3:00pm2:00pm1:00pm
8:00am next day10:00pm5:00pm4:00pm3:00pm2:00pm
09:0023:00 previous day19:00 previous day EDT UTC-418:00 previous day CDT UTC-517:00 previous day MDT UTC-616:00 previous day PDT UTC-7
10:0000:0020:00 previous day EDT UTC-419:00 previous day CDT UTC-518:00 previous day MDT UTC-617:00 previous day PDT UTC-7
11:0001:0021:00 previous day EDT UTC-420:00 previous day CDT UTC-519:00 previous day MDT UTC-618:00 previous day PDT UTC-7
12:0002:0022:00 previous day EDT UTC-421:00 previous day CDT UTC-520:00 previous day MDT UTC-619:00 previous day PDT UTC-7
13:0003:0023:00 previous day EDT UTC-422:00 previous day CDT UTC-521:00 previous day MDT UTC-620:00 previous day PDT UTC-7
14:0004:0000:00 EDT UTC-423:00 previous day CDT UTC-522:00 previous day MDT UTC-621:00 previous day PDT UTC-7
15:0005:0001:00 EDT UTC-400:00 CDT UTC-523:00 previous day MDT UTC-622:00 previous day PDT UTC-7
16:0006:0001:0001:00 CDT UTC-500:00 MDT UTC-623:00 previous day PDT UTC-7
17:0007:0002:0001:0001:00 MDT UTC-600:00 PDT UTC-7
18:0008:0003:0002:0001:0001:00 PDT UTC-7
19:0009:0004:0003:0002:0001:00
20:0010:0005:0004:0003:0002:00
21:0011:0006:0005:0004:0003:00
22:0012:0007:0006:0005:0004:00
23:0013:0008:0007:0006:0005:00
00:00 next day14:0009:0008:0007:0006:00
01:00 next day15:0010:0009:0008:0007:00
02:00 next day16:0011:0010:0009:0008:00
03:00 next day17:0012:0011:0010:0009:00
04:00 next day18:0013:0012:0011:0010:00
05:00 next day19:0014:0013:0012:0011:00
06:00 next day20:0015:0014:0013:0012:00
07:00 next day21:0016:0015:0014:0013:00
08:00 next day22:0017:0016:0015:0014:00

Central European Time

Offset: CET is 1 hour ahead of Greenwich Mean Time (GMT).

Countries using this time zone: Albania, Algeria, 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, Tunisia, Vatican City

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

German: MEZ - Mitteleuropäische Zeit

Map of the areas on Central European Time (CET)
CET all year CET part of the year

Today all shaded areas are on CET.

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 European Summer Time (CEST).

123456789101112Start: Central European Time (CET) started 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. Standard time starts annually on the last Sunday of October.

123456789101112End: Central European Time (CET) ends 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 local daylight time instead. Standard time ends annually on the last Sunday of March.

See upcoming clock changes worldwide.

CET representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +01 - basic short
  • +0100 - basic
  • +01:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0100 - sign character (+) followed by a four digit time providing hours (01) and minutes (00) of the offset. Indicates an offset of one hour to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Alpha - Military abbreviation for CET
  • A - short form of 'Alpha'
IANA/Olson: Reflects CET time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Africa/Algiers
  • Africa/Ceuta
  • Africa/Tunis
  • 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 +1 offset:
  • BST - British Summer Time
  • CET - Central European Time
  • IST - Irish Standard Time
  • WEST - Western European Summer Time
  • A - Alpha Time Zone
  • CET - Central European Time
  • MEZ - Mitteleuropäische Zeit
  • WAT - West Africa Time
  • WST - Western Sahara Summer Time
  • BMT - Biel Mean Time

Australian Eastern Standard Time

Offset: AEST is 10 hours ahead of Greenwich Mean Time (GMT).

Countries using this time zone: Australia

Principal Cities: The largest city in the AEST time zone is Sydney in Australia, with about 5.639 million people. Other major cities in this time zone include Melbourne, Brisbane, Gold Coast, Newcastle.

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

Today the lighter areas are on UTC+11 (AEDT).

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 Australian Eastern Daylight Time (AEDT).

123456789101112End: Australian Eastern Standard Time (AEST) ended on Sunday, October 4, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, October 4, 2026, 3:00 am03:00 local daylight time instead. Standard time ends annually on the first Sunday of October.

123456789101112Start: Australian Eastern Standard Time (AEST) starts on Sunday, April 4, 2027 at 3:00 am03:00 local time and clocks are set one hour back to Sunday, April 4, 2027, 2:00 am02:00. Standard time starts annually on the first Sunday of April.

See Australia daylight saving time and upcoming clock changes worldwide.

Australian Eastern Standard Time (AEST) is used in Queensland, Victoria, Tasmania, New South Wales (except Broken Hill), Australian Capital Territory and in folling major cities Brisbane, Sydney, Melbourne, Hobart, Canberra

Only part of Australia observe daylight saving. It is used in New South Wales, Victoria, South Australia, Tasmania, and the Australian Capital Territory. Daylight saving is not observed in Queensland, Western Australia or the Northern Territory.

AEST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +10 - basic short
  • +1000 - basic
  • +10:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +1000 - sign character (+) followed by a four digit time providing hours (10) and minutes (00) of the offset. Indicates an offset of ten hours to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Kilo - Military abbreviation for AEST
  • K - short form of 'Kilo'
IANA/Olson: Reflects AEST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Antarctica/Macquarie
  • Australia/ACT
  • Australia/Brisbane
  • Australia/Canberra
  • Australia/Currie
  • Australia/Hobart
  • Australia/Lindeman
  • Australia/Melbourne
  • Australia/NSW
  • Australia/Queensland
  • Australia/Sydney
  • Australia/Tasmania
  • Australia/Victoria
Time zones with the GMT +10 offset:
  • AEST - Australian Eastern Standard Time
  • CHUT - Chuuk Time
  • ChST - Chamorro Standard Time
  • K - Kilo Time Zone
  • KDT - Korea Daylight Time
  • PGT - Papua New Guinea Time
  • VLAT - Vladivostok Time
  • YAKST - Yakutsk Summer Time
  • YAPT - Yap Time

British Summer Time

Offset: BST is 1 hour ahead of Greenwich Mean Time (GMT).

Countries using this time zone: Guernsey, Isle of Man, Jersey, United Kingdom

Principal Cities: The largest city in the BST time zone is London in the United Kingdom, with about 8.962 million people. Other major cities in this time zone include Birmingham, Glasgow, Manchester, Sheffield.

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.

Current time in the United Kingdom: UK time now

Map of the areas on British Summer Time (BST)
BST part of the year

Today the shaded areas are on UTC+0 (GMT).

Open the world time zone map© OpenStreetMap

BST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +01 - basic short
  • +0100 - basic
  • +01:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0100 - sign character (+) followed by a four digit time providing hours (01) and minutes (00) of the offset. Indicates an offset of one hour to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Alpha - Military abbreviation for BST
  • A - short form of 'Alpha'
IANA/Olson: Reflects BST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Europe/Belfast
  • Europe/Guernsey
  • Europe/Isle_of_Man
  • Europe/Jersey
  • Europe/London
  • GB
  • GB-Eire
BST Abbreviation: Several time zones share BST abbreviation and it could refer to these time zones
  • British Summer Time - UTC +1
  • Bangladesh Standard Time - UTC +6
  • Bougainville Standard Time - UTC +11
Time zones with the GMT +1 offset:
  • BST - British Summer Time
  • CET - Central European Time
  • IST - Irish Standard Time
  • WEST - Western European Summer Time
  • A - Alpha Time Zone
  • CET - Central European Time
  • MEZ - Mitteleuropäische Zeit
  • WAT - West Africa Time
  • WST - Western Sahara Summer Time
  • BMT - Biel Mean Time

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

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

Mountain Daylight Time

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

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

Principal Cities: The largest city in the MDT time zone is Ciudad Juárez in Mexico, with about 1.512 million people. Other major cities in this time zone include Denver, El Paso, Albuquerque, Colorado Springs.

French: HAR - Heure Avancée des Rocheuses

Spanish: MT - Zona Pacífico

Map of the areas on Mountain Daylight Time (MDT)
MDT part of the year

Today the shaded areas are on UTC−7 (MST).

Open the world time zone map© OpenStreetMap

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

123456789101112End: Mountain Daylight Time (MDT) 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: Mountain Daylight Time (MDT) 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.

MDT 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 MDT
  • S - short form of 'Sierra'
IANA/Olson: Reflects MDT 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/Denver
  • America/Edmonton
  • America/Inuvik
  • America/Shiprock
  • America/Yellowknife
  • Canada/Mountain
  • MST7MDT
  • Navajo
  • US/Mountain
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

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