PDT to UTC to EDT to BST to IST to JST to AEST
Compare PDT time with UTC, EDT, BST, IST, JST, and AEST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Pacific Daylight Time is 7 hours behind Universal Time Coordinated and 3 hours behind Eastern Daylight Time and 8 hours behind British Summer Time and 12 hours and 30 minutes behind India Standard Time and 16 hours behind Japan Standard Time and 17 hours behind Australian Eastern Standard Time
1:00 am01:00 in PDT is 8:00 am08:00 in UTC and is 4:00 am04:00 in EDT and is 9:00 am09:00 in BST and is 1:30 pm13:30 in IST and is 5:00 pm17:00 in JST and is 6:00 pm18:00 in AEST
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 EDT call time
Best time for a conference call or a meeting is between 9am-2pm in PDT which corresponds to 12pm-5pm in EDT
PDT to BST 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 BST
PDT to IST call time
Best time for a conference call or a meeting is between 6:30pm-7:30pm in PDT which corresponds to 7am-8am in IST (next day)
PDT to JST call time
Best time for a conference call or a meeting is between 4:30pm-5:30pm in PDT which corresponds to 8:30am-9:30am in JST (next day)
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)
1:00 am01:00 Pacific Daylight Time (PDT). Offset UTC -7:00 hours
8:00 am08:00 Universal Time Coordinated (UTC). Offset UTC 0:00 hours
4:00 am04:00 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
9:00 am09:00 British Summer Time (BST). Offset UTC +1:00 hour
1:30 pm13:30 India Standard Time (IST). Offset UTC +5:30 hours
5:00 pm17:00 Japan Standard Time (JST). Offset UTC +9:00 hours
6:00 pm18:00 Australian Eastern Standard Time (AEST). Offset UTC +10:00 hours
1:00 am01:00 PDT / 8:00 am08:00 UTC / 4:00 am04:00 EDT / 9:00 am09:00 BST / 1:30 pm13:30 IST / 5:00 pm17:00 JST / 6:00 pm18:00 AEST
| PDT | UTC | EDT | BST | IST | JST | AEST |
|---|---|---|---|---|---|---|
| 12am (midnight) | 7am | 3am | 8am | 12:30 pm | 4pm | 5pm |
| 1am | 8am | 4am | 9am | 1:30 pm | 5pm | 6pm |
| 2am | 9am | 5am | 10am | 2:30 pm | 6pm | 7pm |
| 3am | 10am | 6am | 11am | 3:30 pm | 7pm | 8pm |
| 4am | 11am | 7am | 12pm (noon) | 4:30 pm | 8pm | 9pm |
| 5am | 12pm (noon) | 8am | 1pm | 5:30 pm | 9pm | 10pm |
| 6am | 1pm | 9am | 2pm | 6:30 pm | 10pm | 11pm |
| 7am | 2pm | 10am | 3pm | 7:30 pm | 11pm | 12am (midnight) |
| 8am | 3pm | 11am | 4pm | 8:30 pm | 12am (midnight) | 1am |
| 9am | 4pm | 12pm (noon) | 5pm | 9:30 pm | 1am | 2am |
| 10am | 5pm | 1pm | 6pm | 10:30 pm | 2am | 3am |
| 11am | 6pm | 2pm | 7pm | 11:30 pm | 3am | 4am |
| 12pm (noon) | 7pm | 3pm | 8pm | 12:30 am | 4am | 5am |
| 1pm | 8pm | 4pm | 9pm | 1:30 am | 5am | 6am |
| 2pm | 9pm | 5pm | 10pm | 2:30 am | 6am | 7am |
| 3pm | 10pm | 6pm | 11pm | 3:30 am | 7am | 8am |
| 4pm | 11pm | 7pm | 12am (midnight) | 4:30 am | 8am | 9am |
| 5pm | 12am (midnight) | 8pm | 1am | 5:30 am | 9am | 10am |
| 6pm | 1am | 9pm | 2am | 6:30 am | 10am | 11am |
| 7pm | 2am | 10pm | 3am | 7:30 am | 11am | 12pm (noon) |
| 8pm | 3am | 11pm | 4am | 8:30 am | 12pm (noon) | 1pm |
| 9pm | 4am | 12am (midnight) | 5am | 9:30 am | 1pm | 2pm |
| 10pm | 5am | 1am | 6am | 10:30 am | 2pm | 3pm |
| 11pm | 6am | 2am | 7am | 11:30 am | 3pm | 4pm |
| 00:00 | 07:00 | 03:00 | 08:00 | 12:30 | 16:00 | 17:00 |
| 01:00 | 08:00 | 04:00 | 09:00 | 13:30 | 17:00 | 18:00 |
| 02:00 | 09:00 | 05:00 | 10:00 | 14:30 | 18:00 | 19:00 |
| 03:00 | 10:00 | 06:00 | 11:00 | 15:30 | 19:00 | 20:00 |
| 04:00 | 11:00 | 07:00 | 12:00 | 16:30 | 20:00 | 21:00 |
| 05:00 | 12:00 | 08:00 | 13:00 | 17:30 | 21:00 | 22:00 |
| 06:00 | 13:00 | 09:00 | 14:00 | 18:30 | 22:00 | 23:00 |
| 07:00 | 14:00 | 10:00 | 15:00 | 19:30 | 23:00 | 00:00 |
| 08:00 | 15:00 | 11:00 | 16:00 | 20:30 | 00:00 | 01:00 |
| 09:00 | 16:00 | 12:00 | 17:00 | 21:30 | 01:00 | 02:00 |
| 10:00 | 17:00 | 13:00 | 18:00 | 22:30 | 02:00 | 03:00 |
| 11:00 | 18:00 | 14:00 | 19:00 | 23:30 | 03:00 | 04:00 |
| 12:00 | 19:00 | 15:00 | 20:00 | 00:30 | 04:00 | 05:00 |
| 13:00 | 20:00 | 16:00 | 21:00 | 01:30 | 05:00 | 06:00 |
| 14:00 | 21:00 | 17:00 | 22:00 | 02:30 | 06:00 | 07:00 |
| 15:00 | 22:00 | 18:00 | 23:00 | 03:30 | 07:00 | 08:00 |
| 16:00 | 23:00 | 19:00 | 00:00 | 04:30 | 08:00 | 09:00 |
| 17:00 | 00:00 | 20:00 | 01:00 | 05:30 | 09:00 | 10:00 |
| 18:00 | 01:00 | 21:00 | 02:00 | 06:30 | 10:00 | 11:00 |
| 19:00 | 02:00 | 22:00 | 03:00 | 07:30 | 11:00 | 12:00 |
| 20:00 | 03:00 | 23:00 | 04:00 | 08:30 | 12:00 | 13:00 |
| 21:00 | 04:00 | 00:00 | 05:00 | 09:30 | 13:00 | 14:00 |
| 22:00 | 05:00 | 01:00 | 06:00 | 10:30 | 14:00 | 15:00 |
| 23:00 | 06:00 | 02:00 | 07:00 | 11:30 | 15:00 | 16:00 |
Pacific Daylight Time
Offset: PDT is 7 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 PDT 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: HAP - Heure Avancée du Pacifique
Spanish: PT - Zona Noroeste

Daylight Saving: Pacific Daylight Time (PDT) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Pacific Standard Time (PST).
Start: Pacific Daylight Time (PDT) started on Sunday, March 8, 2026 at 2:00 am local time and clocks were set one hour forward to Sunday, March 8, 2026, 3:00 am. Daylight saving starts annually on the second Sunday of March
End: Pacific Daylight Time (PDT) ends on Sunday, November 1, 2026 at 2:00 am local time and clocks are set one hour back to Sunday, November 1, 2026, 1:00 am local standard time instead. Daylight saving ends annually on the first Sunday of November
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 an offset of seven hours 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
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 the zero UTC/GMT offset.
- 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
Eastern Daylight Time
Offset: EDT is 4 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries using this time zone: Bahamas, Canada, Haiti, Turks & Caicos Is, United States
Principal Cities: The largest city in the EDT time zone is New York City in the United States, with about 8.175 million people. Other major cities in this time zone include 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. During winter, some places set clocks back one hour and observe Eastern Standard Time (EST).
Start: Eastern Daylight Time (EDT) started on Sunday, March 8, 2026 at 2:00 am local time and clocks were set one hour forward to Sunday, March 8, 2026, 3:00 am. Daylight saving starts annually on the second Sunday of March
End: Eastern Daylight Time (EDT) ends on Sunday, November 1, 2026 at 2:00 am local time and clocks are set one hour back to Sunday, November 1, 2026, 1:00 am local standard time instead. Daylight saving ends annually on the first Sunday of November
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 an offset of four hours 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
British Summer Time
Offset: BST is 1 hour ahead Greenwich Mean Time (GMT) and is used in Europe
Countries using this time zone: Britain (UK), Guernsey, Isle of Man, Jersey
Principal Cities: The largest city in the BST time zone is London in United Kingdom, with about 7.557 million people. Other major cities in this time zone include Birmingham, Glasgow, Liverpool, Saint Helier.

Daylight Saving: British Summer Time (BST) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Greenwich Mean Time (GMT).
Start: British Summer Time (BST) started on Sunday, March 29, 2026 at 1:00 am local time and clocks were set one hour forward to Sunday, March 29, 2026, 2:00 am. Daylight saving starts annually on the last Sunday of March
End: British Summer Time (BST) ends on Sunday, October 25, 2026 at 2:00 am local time and clocks are set one hour back to Sunday, October 25, 2026, 1:00 am local standard time instead. Daylight saving ends annually on the last Sunday of October
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 an offset of one hour 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
India Standard Time
Offset: IST is 5 hours and 30 minutes ahead Greenwich Mean Time (GMT) and is used in Asia
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, Bangalore, Kolkata, Chennai.
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.

IST representations, usage and related time zones
- +0530 - basic
- +05:30 - extended
- +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.
- Asia/Calcutta
- Asia/Kolkata
- India Standard Time - UTC +5:30
- Irish Standard Time - UTC +1
- Israel Standard Time - UTC +2
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 representations, usage and related time zones
- +09 - basic short
- +0900 - basic
- +09:00 - extended
- +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.
- India - Military abbreviation for JST
- I - short form of 'India'
- Asia/Tokyo
- Japan
- 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
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.

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).
Start: Australian Eastern Standard Time (AEST) started on Sunday, April 5, 2026 at 3:00 am local time and clocks were set one hour back to Sunday, April 5, 2026, 2:00 am. Standard time starts annually on the first Sunday of April.
End: Australian Eastern Standard Time (AEST) ends on Sunday, October 4, 2026 at 2:00 am local time and clocks are set one hour forward to Sunday, October 4, 2026, 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
- +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 an offset of ten hours 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
