AEST
Australian Eastern Standard Time
GMT +10
Fri, Jul 28
12am
3am
6am
9am
12pm
3pm
6pm
9pm
JST
Japan Standard Time
GMT +9
Fri, Jul 28
12am
3am
6am
9am
12pm
3pm
6pm
9pm
CST
China Standard Time
GMT +8
Fri, Jul 28
12am
3am
6am
9am
12pm
3pm
6pm
9pm
EEST/EET
Eastern European Summer Time
GMT +3
Fri, Jul 28
12am
3am
6am
9am
12pm
3pm
6pm
9pm
EET is not used on this date
This converter uses EEST (GMT +3), the offset Kiev uses on this date. Open the EEST converter.
SAST
South Africa Standard Time
GMT +2
Fri, Jul 28
12am
3am
6am
9am
12pm
3pm
6pm
9pm
CEST/CET
Central European Summer Time
GMT +2
Fri, Jul 28
12am
3am
6am
9am
12pm
3pm
6pm
9pm
CET is not used on this date
This converter uses CEST (GMT +2), the offset Berlin uses on this date. Open the CEST converter.
UTC
Universal Time Coordinated
GMT +0
Fri, Jul 28
12am
3am
6am
9am
12pm
3pm
6pm
9pm
ART
Argentina Time
GMT -3
Thu, Jul 27
12am
3am
6am
9am
12pm
3pm
6pm
9pm
EDT/EST
Eastern Daylight Time
GMT -4
Thu, Jul 27
12am
3am
6am
9am
12pm
3pm
6pm
9pm
EST is not used on this date
This converter uses EDT (GMT -4), the offset New York uses on this date. Open the EDT converter.
PDT/PST
Pacific Daylight Time
GMT -7
Thu, Jul 27
12am
3am
6am
9am
12pm
3pm
6pm
9pm
PST is not used on this date
This converter uses PDT (GMT -7), the offset Los Angeles uses on this date. Open the PDT converter.

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

Time Difference

Australian Eastern Standard Time is 1 hour ahead of Japan Standard Time and 2 hours ahead of China Standard Time and 7 hours ahead of Eastern European Summer Time and 8 hours ahead of South Africa Standard Time and 8 hours ahead of Central European Summer Time and 10 hours ahead of Universal Time Coordinated and 13 hours ahead of Argentina Time and 14 hours ahead of Eastern Daylight Time and 17 hours ahead of Pacific Daylight Time
11:30 am11:30 in AEST is 10:30 am10:30 in JST and is 9:30 am09:30 in CST and is 4:30 am04:30 in EEST and is 3:30 am03:30 in SAST and is 3:30 am03:30 in CEST and is 1:30 am01:30 in UTC and is 10:30 pm22:30 in ART and is 9:30 pm21:30 in EDT and is 6:30 pm18:30 in PDT

AEST to JST call time
Best time for a conference call or a meeting is between 10am-5pm in AEST which corresponds to 9am-4pm in JST
AEST to CST call time
Best time for a conference call or a meeting is between 11am-5pm in AEST which corresponds to 9am-3pm in CST
AEST to EEST call time
Best time for a conference call or a meeting is between 4pm-5pm in AEST which corresponds to 9am-10am in EEST
AEST to SAST call time
Best time for a conference call or a meeting is between 4:30pm-5:30pm in AEST which corresponds to 8:30am-9:30am in SAST
AEST to CEST call time
Best time for a conference call or a meeting is between 4:30pm-5:30pm in AEST which corresponds to 8:30am-9:30am in CEST
AEST to UTC call time
Best time for a conference call or a meeting is between 5:30pm-6:30pm in AEST which corresponds to 7:30am-8:30am in UTC
AEST to ART call time
Best time for a conference call or a meeting is between 7am-8am in AEST which corresponds to 6pm-7pm in ART (previous day)
AEST to EDT call time
Best time for a conference call or a meeting is between 7:30am-8:30am in AEST which corresponds to 5:30pm-6:30pm in EDT (previous day)
AEST to PDT call time
Best time for a conference call or a meeting is between 9am-10am in AEST which corresponds to 4pm-5pm in PDT (previous day)

11:30 am11:30 Australian Eastern Standard Time (AEST). Offset UTC +10:00 hours
10:30 am10:30 Japan Standard Time (JST). Offset UTC +9:00 hours
9:30 am09:30 China Standard Time (CST). Offset UTC +8:00 hours
4:30 am04:30 Eastern European Summer Time (EEST). Offset UTC +3:00 hours
3:30 am03:30 South Africa Standard Time (SAST). Offset UTC +2:00 hours
3:30 am03:30 Central European Summer Time (CEST). Offset UTC +2:00 hours
1:30 am01:30 Universal Time Coordinated (UTC). Offset UTC 0:00 hours
10:30 pm22:30 Argentina Time (ART). Offset UTC -3:00 hours
9:30 pm21:30 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
6:30 pm18:30 Pacific Daylight Time (PDT). Offset UTC -7:00 hours

11:30 am11:30 AEST / 10:30 am10:30 JST / 9:30 am09:30 CST / 4:30 am04:30 EEST / 3:30 am03:30 SAST / 3:30 am03:30 CEST / 1:30 am01:30 UTC / 10:30 pm22:30 ART / 9:30 pm21:30 EDT / 6:30 pm18:30 PDT

AESTJSTCSTEESTSASTCESTUTCARTEDTPDT
12am (midnight)11pm10pm5pm4pm4pm2pm11am10am7am
1am12am (midnight)11pm6pm5pm5pm3pm12pm (noon)11am8am
2am1am12am (midnight)7pm6pm6pm4pm1pm12pm (noon)9am
3am2am1am8pm7pm7pm5pm2pm1pm10am
4am3am2am9pm8pm8pm6pm3pm2pm11am
5am4am3am10pm9pm9pm7pm4pm3pm12pm (noon)
6am5am4am11pm10pm10pm8pm5pm4pm1pm
7am6am5am12am (midnight)11pm11pm9pm6pm5pm2pm
8am7am6am1am12am (midnight)12am (midnight)10pm7pm6pm3pm
9am8am7am2am1am1am11pm8pm7pm4pm
10am9am8am3am2am2am12am (midnight)9pm8pm5pm
11am10am9am4am3am3am1am10pm9pm6pm
12pm (noon)11am10am5am4am4am2am11pm10pm7pm
1pm12pm (noon)11am6am5am5am3am12am (midnight)11pm8pm
2pm1pm12pm (noon)7am6am6am4am1am12am (midnight)9pm
3pm2pm1pm8am7am7am5am2am1am10pm
4pm3pm2pm9am8am8am6am3am2am11pm
5pm4pm3pm10am9am9am7am4am3am12am (midnight)
6pm5pm4pm11am10am10am8am5am4am1am
7pm6pm5pm12pm (noon)11am11am9am6am5am2am
8pm7pm6pm1pm12pm (noon)12pm (noon)10am7am6am3am
9pm8pm7pm2pm1pm1pm11am8am7am4am
10pm9pm8pm3pm2pm2pm12pm (noon)9am8am5am
11pm10pm9pm4pm3pm3pm1pm10am9am6am
00:0023:0022:0017:0016:0016:0014:0011:0010:0007:00
01:0000:0023:0018:0017:0017:0015:0012:0011:0008:00
02:0001:0000:0019:0018:0018:0016:0013:0012:0009:00
03:0002:0001:0020:0019:0019:0017:0014:0013:0010:00
04:0003:0002:0021:0020:0020:0018:0015:0014:0011:00
05:0004:0003:0022:0021:0021:0019:0016:0015:0012:00
06:0005:0004:0023:0022:0022:0020:0017:0016:0013:00
07:0006:0005:0000:0023:0023:0021:0018:0017:0014:00
08:0007:0006:0001:0000:0000:0022:0019:0018:0015:00
09:0008:0007:0002:0001:0001:0023:0020:0019:0016:00
10:0009:0008:0003:0002:0002:0000:0021:0020:0017:00
11:0010:0009:0004:0003:0003:0001:0022:0021:0018:00
12:0011:0010:0005:0004:0004:0002:0023:0022:0019:00
13:0012:0011:0006:0005:0005:0003:0000:0023:0020:00
14:0013:0012:0007:0006:0006:0004:0001:0000:0021:00
15:0014:0013:0008:0007:0007:0005:0002:0001:0022:00
16:0015:0014:0009:0008:0008:0006:0003:0002:0023:00
17:0016:0015:0010:0009:0009:0007:0004:0003:0000:00
18:0017:0016:0011:0010:0010:0008:0005:0004:0001:00
19:0018:0017:0012:0011:0011:0009:0006:0005:0002:00
20:0019:0018:0013:0012:0012:0010:0007:0006:0003:00
21:0020:0019:0014:0013:0013:0011:0008:0007:0004:00
22:0021:0020:0015:0014:0014:0012:0009:0008:0005:00
23:0022:0021:0016:0015:0015:0013:0010:0009:0006:00

Australian Eastern Standard Time

Offset: AEST is 10 hours ahead Greenwich Mean Time (GMT) and is used in Australia

Countries using this time zone: Australia

Principal Cities: The largest city in the AEST time zone is Sydney in Australia, with about 4.627 million people. Other major cities in this time zone include Melbourne, Brisbane, Gold Coast, Canberra.

AEST Time Zone Geo Map
AEST timezone map

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).

Daylight saving time clock moves back for one hour from 3am to 2amStart: Australian Eastern Standard Time (AEST) started on Sunday, April 2, 2023 at 3:00 am local time and clocks were set one hour back to Sunday, April 2, 2023, 2:00 am. Standard time starts annually on the first Sunday of April.

Daylight saving time clock moves forward for one hour from 2am to 3amEnd: Australian Eastern Standard Time (AEST) ends on Sunday, October 1, 2023 at 2:00 am local time and clocks are set one hour forward to Sunday, October 1, 2023, 3:00 am local daylight time instead. Standard time ends annually on the first Sunday of October.

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

Japan Standard Time

Offset: JST is 9 hours ahead Greenwich Mean Time (GMT) and is used in Asia

Countries using this time zone: Japan

Principal Cities: The largest city in the JST time zone is Tokyo in Japan, with about 8.337 million people. Other major cities in this time zone include Yokohama, Osaka shi, Nagoya shi, Sapporo.

Daylight Saving: Clocks in Japan Standard Time (JST) do not change for daylight saving time, so JST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter.

JST Time Zone Geo Map
JST timezone map

JST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +09 - basic short
  • +0900 - basic
  • +09:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0900 - sign character (+) followed by a four digit time providing hours (09) and minutes (00) of the offset. Indicates an offset of nine hours to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • India - Military abbreviation for JST
  • I - short form of 'India'
IANA/Olson: Reflects JST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Asia/Tokyo
  • Japan
Time zones with the GMT +9 offset:
  • AWDT - Australian Western Daylight Time
  • CHOST - Choibalsan Summer Time
  • I - India Time Zone
  • IRKST - Irkutsk Summer Time
  • JST - Japan Standard Time
  • KST - Korea Standard Time
  • PWT - Palau Time
  • TLT - East Timor Time
  • ULAST - Ulaanbaatar Summer Time
  • WIT - Eastern Indonesian Time
  • YAKT - Yakutsk Time

China Standard Time

Offset: CST is 8 hours ahead Greenwich Mean Time (GMT) and is used in Asia

Countries using this time zone: China, Macau, Taiwan

Principal Cities: The largest city in the CST time zone is Shanghai in China, with about 14.609 million people. Other major cities in this time zone include Zhumadian, Taipei, Beijing, Nanchong.

Daylight Saving: Clocks in China Standard Time (CST) do not change for daylight saving time, so CST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter.

CST Time Zone Geo Map
CST timezone map

CST 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 east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Hotel - Military abbreviation for CST
  • H - short form of 'Hotel'
IANA/Olson: Reflects CST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Asia/Chongqing
  • Asia/Chungking
  • Asia/Harbin
  • Asia/Macao
  • Asia/Macau
  • Asia/Shanghai
  • Asia/Taipei
  • PRC
  • ROC
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 +8 offset:
  • ACT - ASEAN Common Time
  • AWST - Australian Western Standard Time
  • BNT - Brunei Darussalam Time
  • CAST - Casey Time
  • CHOT - Choibalsan Time
  • CST - China Standard Time
  • H - Hotel Time Zone
  • HKT - Hong Kong Time
  • HOVST - Hovd Summer Time
  • IRKT - Irkutsk Time
  • KRAST - Krasnoyarsk Summer Time
  • MYT - Malaysia Time
  • PHT - Philippine Time
  • SGT - Singapore Time
  • ULAT - Ulaanbaatar Time
  • WITA - Central Indonesian Time

Eastern European Time

Offset: EET is 2 hours ahead Greenwich Mean Time (GMT) and is used in Europe

Countries using this time zone: Libya, Russia

Principal Cities: The largest city in the EET time zone is Tripoli in Libya, with about 1.151 million people. Other major cities in this time zone include Benghazi, Kaliningrad, Misratah, Tarhuna.

German: OEZ - Osteuropäische Zeit

EET Time Zone Geo Map
EET timezone map

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

Daylight saving time clock moves forward for one hour from 3am to 4amEnd: Eastern European Time (EET) ended on Sunday, March 26, 2023 at 3:00 am local time and clocks were set one hour forward to Sunday, March 26, 2023, 4:00 am local daylight time instead. Standard time ends annually on the last Sunday of March.

Daylight saving time clock moves back for one hour from 4am to 3amStart: Eastern European Time (EET) starts on Sunday, October 29, 2023 at 4:00 am local time and clocks are set one hour back to Sunday, October 29, 2023, 3:00 am. Standard time starts annually on the last Sunday of October.

EET 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 EET
  • B - short form of 'Bravo'
IANA/Olson: Reflects EET time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Africa/Cairo
  • Africa/Tripoli
  • Asia/Beirut
  • Asia/Famagusta
  • Asia/Gaza
  • Asia/Hebron
  • Asia/Nicosia
  • EET
  • Egypt
  • Europe/Athens
  • Europe/Bucharest
  • Europe/Chisinau
  • Europe/Helsinki
  • Europe/Kaliningrad
  • Europe/Kiev
  • Europe/Kyiv
  • Europe/Mariehamn
  • Europe/Nicosia
  • Europe/Riga
  • Europe/Sofia
  • Europe/Tallinn
  • Europe/Tiraspol
  • Europe/Uzhgorod
  • Europe/Vilnius
  • Europe/Zaporozhye
  • Libya
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

South Africa Standard Time

Offset: SAST is 2 hours ahead Greenwich Mean Time (GMT) and is used in Africa

Countries using this time zone: Lesotho, Eswatini (Swaziland), South Africa

Principal Cities: The largest city in the SAST time zone is Cape Town in South Africa, with about 3.433 million people. Other major cities in this time zone include Durban, Johannesburg, Soweto, Pretoria.

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.

SAST Time Zone Geo Map
SAST timezone map

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 Time

Offset: CET is 1 hour ahead Greenwich Mean Time (GMT) and is used in Europe

Countries using this time zone: Algeria, Tunisia

Principal Cities: The largest city in the CET time zone is Algiers in Algeria, with about 1.978 million people. Other major cities in this time zone include Boumerdas, Tunis, Oran, Tebessa.

German: MEZ - Mitteleuropäische Zeit

CET Time Zone Geo Map
CET timezone map

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).

Daylight saving time clock moves forward for one hour from 2am to 3amEnd: Central European Time (CET) ended on Sunday, March 26, 2023 at 2:00 am local time and clocks were set one hour forward to Sunday, March 26, 2023, 3:00 am local daylight time instead. Standard time ends annually on the last Sunday of March.

Daylight saving time clock moves back for one hour from 3am to 2amStart: Central European Time (CET) starts on Sunday, October 29, 2023 at 3:00 am local time and clocks are set one hour back to Sunday, October 29, 2023, 2:00 am. Standard time starts annually on the last Sunday of October.

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

Universal Time Coordinated

Offset: UTC is 0 hours ahead Greenwich Mean Time (GMT) and is used in Universal

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

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 - Universal Time Coordinated
  • WT - Western Sahara Standard Time
  • Z - Zulu Time Zone

Argentina Time

Offset: ART is 3 hours behind Greenwich Mean Time (GMT) and is used in South America

Countries using this time zone: Argentina

Principal Cities: The largest city in the ART time zone is Buenos Aires in Argentina, with about 13.076 million people. Other major cities in this time zone include La Plata, Mar del Plata, Quilmes, Moron.

Daylight Saving: Clocks in Argentina Time (ART) do not change for daylight saving time, so ART stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter.

ART Time Zone Geo Map
ART timezone map

ART 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 ART
  • 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 - Brasília time
  • CLST - Chile Summer Time
  • FKST - Falkland Islands Summer Time
  • GFT - French Guiana Time
  • P - Papa Time Zone
  • PYST - Paraguay Summer Time
  • SRT - Suriname Time
  • UYT - Uruguay Time

Eastern Standard Time

Offset: EST is 5 hours behind Greenwich Mean Time (GMT) and is used in North America

Countries using this time zone: Canada, Jamaica, Cayman Islands, Mexico, Panama

Principal Cities: The largest city in the EST time zone is Kingston in Jamaica, with about 937,700 people. Other major cities in this time zone include New Kingston, Cancun, Panama, San Miguelito.

French: HNE - Heure Normale de l'Est

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

EST Time Zone Geo Map
EST timezone map

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).

Daylight saving time clock moves forward for one hour from 2am to 3amEnd: Eastern Standard Time (EST) ended on Sunday, March 12, 2023 at 2:00 am local time and clocks were set one hour forward to Sunday, March 12, 2023, 3:00 am local daylight time instead. Standard time ends annually on the second Sunday of March.

Daylight saving time clock moves back for one hour from 2am to 1amStart: Eastern Standard Time (EST) starts on Sunday, November 5, 2023 at 2:00 am local time and clocks are set one hour back to Sunday, November 5, 2023, 1:00 am. Standard time starts annually on the first Sunday of November.

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) and is used in North America

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

Principal Cities: The largest city in the PST time zone is Los Angeles in the United States, with about 3.793 million people. Other major cities in this time zone include Vancouver, Tijuana, San Diego, San Jose.

French: HNP - Heure Normale du Pacifique

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

PST Time Zone Geo Map
PST timezone map

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).

Daylight saving time clock moves forward for one hour from 2am to 3amEnd: Pacific Standard Time (PST) ended on Sunday, March 12, 2023 at 2:00 am local time and clocks were set one hour forward to Sunday, March 12, 2023, 3:00 am local daylight time instead. Standard time ends annually on the second Sunday of March.

Daylight saving time clock moves back for one hour from 2am to 1amStart: Pacific Standard Time (PST) starts on Sunday, November 5, 2023 at 2:00 am local time and clocks are set one hour back to Sunday, November 5, 2023, 1:00 am. Standard time starts annually on the first Sunday of November.

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