PDT to EDT to UTC to BST to CEST to AEST
AEST is NOT in use by many locations
AEDT (Australian Eastern Daylight Time) is used instead. Switch to AEDT time zone or select one of the cities Sydney, Melbourne, Canberra) for automatic timezone change.Time Difference
Pacific Daylight Time is 2 hours behind Eastern Standard Time and 7 hours behind Universal Time Coordinated and 7 hours behind Greenwich Mean Time and 8 hours behind Central European Time and 17 hours behind Australian Eastern Standard Time
5:00 am05:00 in PDT is 7:00 am07:00 in EST and is 12:00 pm12:00 in UTC and is 12:00 pm12:00 in GMT and is 1:00 pm13:00 in CET and is 10:00 pm22:00 in AEST
PDT to EST call time
Best time for a conference call or a meeting is between 9am-3pm in PDT which corresponds to 11am-5pm in EST
PDT to UTC call time
Best time for a conference call or a meeting is between 9am-10am in PDT which corresponds to 4pm-5pm in UTC
PDT to GMT call time
Best time for a conference call or a meeting is between 9am-10am in PDT which corresponds to 4pm-5pm in GMT
PDT to CET call time
Best time for a conference call or a meeting is between 8:30am-9:30am in PDT which corresponds to 4:30pm-5:30pm in CET
PDT to AEST call time
Best time for a conference call or a meeting is between 4pm-5pm in PDT which corresponds to 9am-10am in AEST (next day)
5:00 am05:00 Pacific Daylight Time (PDT). Offset UTC -7:00 hours
7:00 am07:00 Eastern Standard Time (EST). Offset UTC -5:00 hours
12:00 pm12:00 Universal Time Coordinated (UTC). Offset UTC 0:00 hours
12:00 pm12:00 Greenwich Mean Time (GMT). Offset UTC 0:00 hours
1:00 pm13:00 Central European Time (CET). Offset UTC +1:00 hour
10:00 pm22:00 Australian Eastern Standard Time (AEST). Offset UTC +10:00 hours
5:00 am05:00 PDT / 7:00 am07:00 EST / 12:00 pm12:00 UTC / 12:00 pm12:00 GMT / 1:00 pm13:00 CET / 10:00 pm22:00 AEST
| PDT | EST | UTC | GMT | CET | AEST |
|---|---|---|---|---|---|
| 12am (midnight) | 2am | 7am | 7am | 8am | 5pm |
| 1am | 3am | 8am | 8am | 9am | 6pm |
| 2am | 4am | 9am | 9am | 10am | 7pm |
| 3am | 5am | 10am | 10am | 11am | 8pm |
| 4am | 6am | 11am | 11am | 12pm (noon) | 9pm |
| 5am | 7am | 12pm (noon) | 12pm (noon) | 1pm | 10pm |
| 6am | 8am | 1pm | 1pm | 2pm | 11pm |
| 7am | 9am | 2pm | 2pm | 3pm | 12am (midnight) |
| 8am | 10am | 3pm | 3pm | 4pm | 1am |
| 9am | 11am | 4pm | 4pm | 5pm | 2am |
| 10am | 12pm (noon) | 5pm | 5pm | 6pm | 3am |
| 11am | 1pm | 6pm | 6pm | 7pm | 4am |
| 12pm (noon) | 2pm | 7pm | 7pm | 8pm | 5am |
| 1pm | 3pm | 8pm | 8pm | 9pm | 6am |
| 2pm | 4pm | 9pm | 9pm | 10pm | 7am |
| 3pm | 5pm | 10pm | 10pm | 11pm | 8am |
| 4pm | 6pm | 11pm | 11pm | 12am (midnight) | 9am |
| 5pm | 7pm | 12am (midnight) | 12am (midnight) | 1am | 10am |
| 6pm | 8pm | 1am | 1am | 2am | 11am |
| 7pm | 9pm | 2am | 2am | 3am | 12pm (noon) |
| 8pm | 10pm | 3am | 3am | 4am | 1pm |
| 9pm | 11pm | 4am | 4am | 5am | 2pm |
| 10pm | 12am (midnight) | 5am | 5am | 6am | 3pm |
| 11pm | 1am | 6am | 6am | 7am | 4pm |
| 00:00 | 02:00 | 07:00 | 07:00 | 08:00 | 17:00 |
| 01:00 | 03:00 | 08:00 | 08:00 | 09:00 | 18:00 |
| 02:00 | 04:00 | 09:00 | 09:00 | 10:00 | 19:00 |
| 03:00 | 05:00 | 10:00 | 10:00 | 11:00 | 20:00 |
| 04:00 | 06:00 | 11:00 | 11:00 | 12:00 | 21:00 |
| 05:00 | 07:00 | 12:00 | 12:00 | 13:00 | 22:00 |
| 06:00 | 08:00 | 13:00 | 13:00 | 14:00 | 23:00 |
| 07:00 | 09:00 | 14:00 | 14:00 | 15:00 | 00:00 |
| 08:00 | 10:00 | 15:00 | 15:00 | 16:00 | 01:00 |
| 09:00 | 11:00 | 16:00 | 16:00 | 17:00 | 02:00 |
| 10:00 | 12:00 | 17:00 | 17:00 | 18:00 | 03:00 |
| 11:00 | 13:00 | 18:00 | 18:00 | 19:00 | 04:00 |
| 12:00 | 14:00 | 19:00 | 19:00 | 20:00 | 05:00 |
| 13:00 | 15:00 | 20:00 | 20:00 | 21:00 | 06:00 |
| 14:00 | 16:00 | 21:00 | 21:00 | 22:00 | 07:00 |
| 15:00 | 17:00 | 22:00 | 22:00 | 23:00 | 08:00 |
| 16:00 | 18:00 | 23:00 | 23:00 | 00:00 | 09:00 |
| 17:00 | 19:00 | 00:00 | 00:00 | 01:00 | 10:00 |
| 18:00 | 20:00 | 01:00 | 01:00 | 02:00 | 11:00 |
| 19:00 | 21:00 | 02:00 | 02:00 | 03:00 | 12:00 |
| 20:00 | 22:00 | 03:00 | 03:00 | 04:00 | 13:00 |
| 21:00 | 23:00 | 04:00 | 04:00 | 05:00 | 14:00 |
| 22:00 | 00:00 | 05:00 | 05:00 | 06:00 | 15:00 |
| 23:00 | 01:00 | 06:00 | 06:00 | 07:00 | 16:00 |
Pacific Daylight Time
Offset: PDT is 7 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries: It is used in following countries: Canada, Mexico, United States
Principal Cities: The largest city in the PDT timezone is Los Angeles from USA with population about 3.793 million people. Other major cities in the area are Vancouver, Tijuana, San Diego, San Jose
French: HAP - Heure Avancée du Pacifique
Spanish: PT - Zona Noroeste

Daylight Saving: Pacific Daylight Time (PDT) is a daylight saving/summer time zone, however during winter some places adjust time for one hour back and observe Pacific Standard Time (PST).
End: Pacific Daylight Time (PDT) has ended on Sunday, November 2, 2025 at 2:00 am local time and clocks were set one hour back to Sunday, November 2, 2025, 1:00 am local standard time instead. Daylight saving ends annually the on first Sunday of November
Start: Pacific Daylight Time (PDT) starts on Sunday, March 8, 2026 at 2:00 am local time and clocks are set one hour forward to Sunday, March 8, 2026, 3:00 am. Daylight saving starts annually the on second Sunday of March
PDT representations, usage and related time zones
- -07 - basic short
- -0700 - basic
- -07:00 - extended
- -0700 - sign character (-) followed by a four digit time providing hours (07) and minutes (00) of the offset. Indicates seven hour and zero minutes time differences to the west of the zero meridian.
- Tango - Military abbreviation for PDT
- T - short form of 'Tango'
- America/Ensenada
- America/Los_Angeles
- America/Santa_Isabel
- America/Tijuana
- America/Vancouver
- Canada/Pacific
- Mexico/BajaNorte
- PST8PDT
- US/Pacific
- MST - Mountain Standard Time
- PDT - Pacific Daylight Time
- YST - Yukon Standard Time
- T - Tango Time Zone
Eastern Daylight Time
Offset: EDT is 4 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries: It is used in following countries: Bahamas, Canada, Haiti, Turks & Caicos Is, United States
Principal Cities: The largest city in the EDT timezone is New York City from USA with population about 8.175 million people. Other major cities in the area are Toronto, Montreal, Brooklyn, Borough of Queens
French: HAE - Heure Avancée de l'Est
Spanish: EDT - Tiempo de verano del Este, ET - Zona Sureste

Daylight Saving: Eastern Daylight Time (EDT) is a daylight saving/summer time zone, however during winter some places adjust time for one hour back and observe Eastern Standard Time (EST).
End: Eastern Daylight Time (EDT) has ended on Sunday, November 2, 2025 at 2:00 am local time and clocks were set one hour back to Sunday, November 2, 2025, 1:00 am local standard time instead. Daylight saving ends annually the on first Sunday of November
Start: Eastern Daylight Time (EDT) starts on Sunday, March 8, 2026 at 2:00 am local time and clocks are set one hour forward to Sunday, March 8, 2026, 3:00 am. Daylight saving starts annually the on second Sunday of March
EDT representations, usage and related time zones
- -04 - basic short
- -0400 - basic
- -04:00 - extended
- -0400 - sign character (-) followed by a four digit time providing hours (04) and minutes (00) of the offset. Indicates four hour and zero minutes time differences to the west of the zero meridian.
- Quebec - Military abbreviation for EDT
- Q - short form of 'Quebec'
- 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/Kentucky/Louisville
- America/Kentucky/Monticello
- America/Louisville
- America/Montreal
- America/Nassau
- America/New_York
- America/Nipigon
- America/Pangnirtung
- America/Port-au-Prince
- America/Thunder_Bay
- America/Toronto
- Canada/Eastern
- EST5EDT
- US/East-Indiana
- US/Eastern
- US/Michigan
- AST - Atlantic Standard Time
- EDT - Eastern Daylight Time
- AMT - Amazon Time
- BOT - Bolivia Time
- CDT - Cuba Daylight Time
- CLT - Chile Standard Time
- FKT - Falkland Island Time
- GYT - Guyana Time
- HLV - Hora Legal de Venezuela
- PYT - Paraguay Time
- Q - Quebec Time Zone
- VET - Venezuelan Standard 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
- Z - is the zone designator for the zero UTC/GMT offset, also known as 'Zulu' time
- +00 - basic short
- +0000 - basic
- +00:00 - extended
- +0000 - sign character (+) followed by a four digit time providing hours (00) and minutes (00) of the offset. Indicates zero hour and zero minutes time differences of the zero meridian.
- Zulu - Military abbreviation for UTC
- Z - short form of 'Zulu'
- Etc/UCT
- Etc/UTC
- Etc/Universal
- Etc/Zulu
- UCT
- UTC
- Universal
- Zulu
- 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
British Summer Time
Offset: BST is 1 hour ahead Greenwich Mean Time (GMT) and is used in Europe
Countries: It is used in following countries: Britain (UK), Guernsey, Isle of Man, Jersey
Principal Cities: The largest city in the BST timezone is London from United Kingdom with population about 7.557 million people. Other major cities in the area are Birmingham, Glasgow, Liverpool, Saint Helier
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 for the most parts it is the same. In military GMT is known as Zulu time.Greenwich Mean Time was the same as Universal Time (UT), until the introduction of UTC in 1972 a standard astronomical concept used in many technical fields.

BST representations, usage and related time zones
- +01 - basic short
- +0100 - basic
- +01:00 - extended
- +0100 - sign character (+) followed by a four digit time providing hours (01) and minutes (00) of the offset. Indicates one hour and zero minutes time differences to the east of the zero meridian.
- Alpha - Military abbreviation for BST
- A - short form of 'Alpha'
- Europe/Belfast
- Europe/Guernsey
- Europe/Isle_of_Man
- Europe/Jersey
- Europe/London
- GB
- GB-Eire
- British Summer Time - UTC +1
- Bangladesh Standard Time - UTC +6
- Bougainville Standard Time - UTC +11
- 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
Central European Summer Time
Offset: CEST is 2 hours ahead Greenwich Mean Time (GMT) and is used in Europe
Countries: It is used in following countries: Andorra, Albania, Austria, Bosnia & Herzegovina, Belgium, Switzerland, Czech Republic, Germany, Denmark, Spain, France, Gibraltar, Croatia, Hungary, Italy, Liechtenstein, Luxembourg, Monaco, Montenegro, North Macedonia, Malta, Netherlands, Norway, Poland, Serbia, Sweden, Slovenia, Svalbard & Jan Mayen, Slovakia, San Marino, Vatican City
Principal Cities: The largest city in the CEST timezone is Berlin from Germany with population about 3.426 million people. Other major cities in the area are Madrid, Rome, Paris, Budapest
German: MESZ - Mitteleuropäische Sommerzeit

Daylight Saving: Central European Summer Time (CEST) is a daylight saving/summer time zone, however during winter some places adjust time for one hour back and observe Central European Time (CET).
End: Central European Summer Time (CEST) has ended on Sunday, October 26, 2025 at 3:00 am local time and clocks were set one hour back to Sunday, October 26, 2025, 2:00 am local standard time instead. Daylight saving ends annually the on last Sunday of October
Start: Central European Summer Time (CEST) starts on Sunday, March 29, 2026 at 2:00 am local time and clocks are set one hour forward to Sunday, March 29, 2026, 3:00 am. Daylight saving starts annually the on last Sunday of March
CEST representations, usage and related time zones
- +02 - basic short
- +0200 - basic
- +02:00 - extended
- +0200 - sign character (+) followed by a four digit time providing hours (02) and minutes (00) of the offset. Indicates two hour and zero minutes time differences to the east of the zero meridian.
- Bravo - Military abbreviation for CEST
- B - short form of 'Bravo'
- Africa/Ceuta
- Arctic/Longyearbyen
- Atlantic/Jan_Mayen
- CET
- Europe/Amsterdam
- Europe/Andorra
- Europe/Belgrade
- Europe/Berlin
- Europe/Bratislava
- Europe/Brussels
- Europe/Budapest
- Europe/Busingen
- Europe/Copenhagen
- Europe/Gibraltar
- Europe/Ljubljana
- Europe/Luxembourg
- Europe/Madrid
- Europe/Malta
- Europe/Monaco
- Europe/Oslo
- Europe/Paris
- Europe/Podgorica
- Europe/Prague
- Europe/Rome
- Europe/San_Marino
- Europe/Sarajevo
- Europe/Skopje
- Europe/Stockholm
- Europe/Tirane
- Europe/Vaduz
- Europe/Vatican
- Europe/Vienna
- Europe/Warsaw
- Europe/Zagreb
- Europe/Zurich
- MET
- Poland
- 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
Australian Eastern Standard Time
Offset: AEST is 10 hours ahead Greenwich Mean Time (GMT) and is used in Australia
Countries: It is used in following countries: Australia
Principal Cities: The largest city in the AEST timezone is Brisbane from Australia with population about 2.19 million people. Other major cities in the area are Gold Coast, Logan City, Townsville, Cairns

Daylight Saving: This is a standard time zone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Australian Eastern Daylight Time (AEDT).
End: Australian Eastern Standard Time (AEST) has ended on Sunday, October 5, 2025 at 2:00 am local time and clocks were set one hour forward to Sunday, October 5, 2025, 3:00 am local daylight time instead. Standard time ends annually the on first Sunday of October.
Start: Australian Eastern Standard Time (AEST) starts on Sunday, April 5, 2026 at 3:00 am local time and clocks are set one hour back to Sunday, April 5, 2026, 2:00 am. Standard time starts annually the on first Sunday of April.
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
- +10 - basic short
- +1000 - basic
- +10:00 - extended
- +1000 - sign character (+) followed by a four digit time providing hours (10) and minutes (00) of the offset. Indicates ten hour and zero minutes time differences to the east of the zero meridian.
- Kilo - Military abbreviation for AEST
- K - short form of 'Kilo'
- 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
- 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
