UTC to GMT to BST to Portland, ME, USA to PT to AEST to San Francisco, CA, USA to ACDT
PT is not used on this date
This converter uses PDT (GMT -7), the offset Los Angeles uses on this date. Open the PDT converter.Eastern Australia uses AEST and AEDT on October 7, 2023
Queensland uses AEST. Sydney and Melbourne use AEDT.
Compare UTC time with GMT, BST, Portland, PT, AEST, San Francisco, and ACDT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Universal Time Coordinated is 0 hours ahead of Greenwich Mean Time and 1 hour behind British Summer Time and 4 hours ahead of EDT (Eastern Daylight Time) and 7 hours ahead of Pacific Daylight Time and 10 hours behind Australian Eastern Standard Time and 7 hours ahead of PDT (Pacific Daylight Time) and 10 hours and 30 minutes behind Australian Central Daylight Time
7:11 am07:11 in UTC is 7:11 am07:11 in GMT and is 8:11 am08:11 in BST and is 3:11 am03:11 in Portland, ME, USA and is 12:11 am00:11 in PDT and is 5:11 pm17:11 in AEST and is 12:11 am00:11 in San Francisco, CA, USA and is 5:41 pm17:41 in ACDT
UTC to GMT call time
Best time for a conference call or a meeting is between 9am-5pm in UTC which corresponds to 9am-5pm in GMT
UTC to BST call time
Best time for a conference call or a meeting is between 9am-4pm in UTC which corresponds to 10am-5pm in BST
UTC to Portland call time
Best time for a conference call or a meeting is between 1pm-5pm in UTC which corresponds to 9am-1pm in Portland
UTC to PDT call time
Best time for a conference call or a meeting is between 4pm-5pm in UTC which corresponds to 9am-10am in PDT
UTC to AEST call time
Best time for a conference call or a meeting is between 7:30am-8:30am in UTC which corresponds to 5:30pm-6:30pm in AEST
UTC to San Francisco call time
Best time for a conference call or a meeting is between 4pm-5pm in UTC which corresponds to 9am-10am in San Francisco
UTC to ACDT call time
Best time for a conference call or a meeting is between 7:30am-8:30am in UTC which corresponds to 6pm-7pm in ACDT
7:11 am07:11 Universal Time Coordinated (UTC). Offset UTC 0:00 hours
7:11 am07:11 Greenwich Mean Time (GMT). Offset UTC 0:00 hours
8:11 am08:11 British Summer Time (BST). Offset UTC +1:00 hour
3:11 am03:11 EDT (Eastern Daylight Time) (Portland, ME, USA). Offset UTC -4:00 hours
12:11 am00:11 Pacific Daylight Time (PDT). Offset UTC -7:00 hours
5:11 pm17:11 Australian Eastern Standard Time (AEST). Offset UTC +10:00 hours
12:11 am00:11 PDT (Pacific Daylight Time) (San Francisco, CA, USA). Offset UTC -7:00 hours
5:41 pm17:41 Australian Central Daylight Time (ACDT). Offset UTC +10:30 hours
7:11 am07:11 UTC / 7:11 am07:11 GMT / 8:11 am08:11 BST / 3:11 am03:11 Portland, ME, USA / 12:11 am00:11 PDT / 5:11 pm17:11 AEST / 12:11 am00:11 San Francisco, CA, USA / 5:41 pm17:41 ACDT
| UTC | GMT | BST | Portland, ME, USA | PT | AEST | San Francisco, CA, USA | ACDT |
|---|---|---|---|---|---|---|---|
| 12am (midnight) | 12am (midnight) | 1am | 8pm | 5pm | 10am | 5pm | 10:30 am |
| 1am | 1am | 2am | 9pm | 6pm | 11am | 6pm | 11:30 am |
| 2am | 2am | 3am | 10pm | 7pm | 12pm (noon) | 7pm | 12:30 pm |
| 3am | 3am | 4am | 11pm | 8pm | 1pm | 8pm | 1:30 pm |
| 4am | 4am | 5am | 12am (midnight) | 9pm | 2pm | 9pm | 2:30 pm |
| 5am | 5am | 6am | 1am | 10pm | 3pm | 10pm | 3:30 pm |
| 6am | 6am | 7am | 2am | 11pm | 4pm | 11pm | 4:30 pm |
| 7am | 7am | 8am | 3am | 12am (midnight) | 5pm | 12am (midnight) | 5:30 pm |
| 8am | 8am | 9am | 4am | 1am | 6pm | 1am | 6:30 pm |
| 9am | 9am | 10am | 5am | 2am | 7pm | 2am | 7:30 pm |
| 10am | 10am | 11am | 6am | 3am | 8pm | 3am | 8:30 pm |
| 11am | 11am | 12pm (noon) | 7am | 4am | 9pm | 4am | 9:30 pm |
| 12pm (noon) | 12pm (noon) | 1pm | 8am | 5am | 10pm | 5am | 10:30 pm |
| 1pm | 1pm | 2pm | 9am | 6am | 11pm | 6am | 11:30 pm |
| 2pm | 2pm | 3pm | 10am | 7am | 12am (midnight) | 7am | 12:30 am |
| 3pm | 3pm | 4pm | 11am | 8am | 1am | 8am | 1:30 am |
| 4pm | 4pm | 5pm | 12pm (noon) | 9am | 2am | 9am | 2:30 am |
| 5pm | 5pm | 6pm | 1pm | 10am | 3am | 10am | 3:30 am |
| 6pm | 6pm | 7pm | 2pm | 11am | 4am | 11am | 4:30 am |
| 7pm | 7pm | 8pm | 3pm | 12pm (noon) | 5am | 12pm (noon) | 5:30 am |
| 8pm | 8pm | 9pm | 4pm | 1pm | 6am | 1pm | 6:30 am |
| 9pm | 9pm | 10pm | 5pm | 2pm | 7am | 2pm | 7:30 am |
| 10pm | 10pm | 11pm | 6pm | 3pm | 8am | 3pm | 8:30 am |
| 11pm | 11pm | 12am (midnight) | 7pm | 4pm | 9am | 4pm | 9:30 am |
| 00:00 | 00:00 | 01:00 | 20:00 | 17:00 | 10:00 | 17:00 | 10:30 |
| 01:00 | 01:00 | 02:00 | 21:00 | 18:00 | 11:00 | 18:00 | 11:30 |
| 02:00 | 02:00 | 03:00 | 22:00 | 19:00 | 12:00 | 19:00 | 12:30 |
| 03:00 | 03:00 | 04:00 | 23:00 | 20:00 | 13:00 | 20:00 | 13:30 |
| 04:00 | 04:00 | 05:00 | 00:00 | 21:00 | 14:00 | 21:00 | 14:30 |
| 05:00 | 05:00 | 06:00 | 01:00 | 22:00 | 15:00 | 22:00 | 15:30 |
| 06:00 | 06:00 | 07:00 | 02:00 | 23:00 | 16:00 | 23:00 | 16:30 |
| 07:00 | 07:00 | 08:00 | 03:00 | 00:00 | 17:00 | 00:00 | 17:30 |
| 08:00 | 08:00 | 09:00 | 04:00 | 01:00 | 18:00 | 01:00 | 18:30 |
| 09:00 | 09:00 | 10:00 | 05:00 | 02:00 | 19:00 | 02:00 | 19:30 |
| 10:00 | 10:00 | 11:00 | 06:00 | 03:00 | 20:00 | 03:00 | 20:30 |
| 11:00 | 11:00 | 12:00 | 07:00 | 04:00 | 21:00 | 04:00 | 21:30 |
| 12:00 | 12:00 | 13:00 | 08:00 | 05:00 | 22:00 | 05:00 | 22:30 |
| 13:00 | 13:00 | 14:00 | 09:00 | 06:00 | 23:00 | 06:00 | 23:30 |
| 14:00 | 14:00 | 15:00 | 10:00 | 07:00 | 00:00 | 07:00 | 00:30 |
| 15:00 | 15:00 | 16:00 | 11:00 | 08:00 | 01:00 | 08:00 | 01:30 |
| 16:00 | 16:00 | 17:00 | 12:00 | 09:00 | 02:00 | 09:00 | 02:30 |
| 17:00 | 17:00 | 18:00 | 13:00 | 10:00 | 03:00 | 10:00 | 03:30 |
| 18:00 | 18:00 | 19:00 | 14:00 | 11:00 | 04:00 | 11:00 | 04:30 |
| 19:00 | 19:00 | 20:00 | 15:00 | 12:00 | 05:00 | 12:00 | 05:30 |
| 20:00 | 20:00 | 21:00 | 16:00 | 13:00 | 06:00 | 13:00 | 06:30 |
| 21:00 | 21:00 | 22:00 | 17:00 | 14:00 | 07:00 | 14:00 | 07:30 |
| 22:00 | 22:00 | 23:00 | 18:00 | 15:00 | 08:00 | 15:00 | 08:30 |
| 23:00 | 23:00 | 00:00 | 19:00 | 16:00 | 09:00 | 16:00 | 09:30 |
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
Greenwich Mean Time
Offset: GMT is 0 hours ahead Greenwich Mean Time (GMT) and is used in Europe
Countries using this time zone: Burkina Faso, Côte d'Ivoire, Ghana, Greenland, Gambia, Guinea, Guinea-Bissau, Iceland, Liberia, Mali, Mauritania, St Helena, Sierra Leone, Senegal, Sao Tome & Principe, Togo
Principal Cities: The largest city in the GMT time zone is Abidjan in Ivory Coast, with about 3.677 million people. Other major cities in this time zone include Dakar, Grand Dakar, Accra, Camayenne.
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.

GMT 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 GMT
- Z - short form of 'Zulu'
- Africa/Abidjan
- Africa/Accra
- Africa/Bamako
- Africa/Banjul
- Africa/Bissau
- Africa/Conakry
- Africa/Dakar
- Africa/Freetown
- Africa/Lome
- Africa/Monrovia
- Africa/Nouakchott
- Africa/Ouagadougou
- Africa/Sao_Tome
- Africa/Timbuktu
- America/Danmarkshavn
- Atlantic/Reykjavik
- Atlantic/St_Helena
- Eire
- Etc/GMT
- Etc/GMT+0
- Etc/GMT-0
- Etc/GMT0
- Etc/Greenwich
- Europe/Belfast
- Europe/Dublin
- Europe/Guernsey
- Europe/Isle_of_Man
- Europe/Jersey
- Europe/London
- GB
- GB-Eire
- GMT
- GMT+0
- GMT-0
- GMT0
- Greenwich
- Iceland
- 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 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 26, 2023 at 1:00 am local time and clocks were set one hour forward to Sunday, March 26, 2023, 2:00 am. Daylight saving starts annually on the last Sunday of March
End: British Summer Time (BST) ends on Sunday, October 29, 2023 at 2:00 am local time and clocks are set one hour back to Sunday, October 29, 2023, 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
Portland Information
Time Zone
EST - Eastern Standard Time
-5:00 hours during Eastern Standard Time.
Sunday, March 8, 2026 at 2:00 am local time. DST starts annually on the 2nd Sunday of March. Clocks are turned forward 1 hour to Sunday, March 8, 2026 at 3:00 am local daylight time instead. Also called Spring Forward or Summer Time.
Sunday, November 1, 2026 at 2:00 am local time. DST ends annually on the 1st Sunday of November. Clocks are turned backward 1 hour to Sunday, November 1, 2026 at 1:00 am local standard time instead. Also called Fall Back or switch to Winter Time.Portland Facts
Pacific Time
Pacific Time (PT) is a general term used to describe the areas that observe either the Pacific Standard Time (PST) or Pacific Daylight Time (PDT) in the United States and Canada. PT also called Pacific Coast Time. PT is not static but switches between PDT and PST.
Territories observing the Pacific Time Zone are primarily in North America. It runs through the western part of Canada, the United States and the Northwestern part of Mexico.
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
PT representations, usage and related time zones
- -08 - basic short
- -0800 - basic
- -08:00 - extended
- -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.
- Uniform - Military abbreviation for PT
- U - short form of 'Uniform'
- AKDT - Alaska Daylight Time
- PST - Pacific Standard Time
- PT - Pacific Time
- PST - Pitcairn Standard Time
- U - Uniform Time Zone
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 Brisbane in Australia, with about 2.19 million people. Other major cities in this time zone include Gold Coast, Logan City, Townsville, Cairns.

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).
End: Australian Eastern Standard Time (AEST) ended on Sunday, October 1, 2023 at 2:00 am local time and clocks were 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.
Start: Australian Eastern Standard Time (AEST) starts on Sunday, April 7, 2024 at 3:00 am local time and clocks are set one hour back to Sunday, April 7, 2024, 2:00 am. Standard time starts annually on the 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 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
San Francisco Information
Time Zone
PST - Pacific Standard Time
-8:00 hours during Pacific Standard Time.
Sunday, March 8, 2026 at 2:00 am local time. DST starts annually on the 2nd Sunday of March. Clocks are turned forward 1 hour to Sunday, March 8, 2026 at 3:00 am local daylight time instead. Also called Spring Forward or Summer Time.
Sunday, November 1, 2026 at 2:00 am local time. DST ends annually on the 1st Sunday of November. Clocks are turned backward 1 hour to Sunday, November 1, 2026 at 1:00 am local standard time instead. Also called Fall Back or switch to Winter Time.San Francisco Facts
Australian Central Daylight Time
Offset: ACDT is 10 hours and 30 minutes ahead Greenwich Mean Time (GMT) and is used in Australia
Countries using this time zone: Australia
Principal Cities: The largest city in the ACDT time zone is Adelaide in Australia, with about 1.225 million people. Other major cities in this time zone include Adelaide Hills, Mount Gambier, Morphett Vale, Prospect.

Daylight Saving: Australian Central Daylight Time (ACDT) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Australian Central Standard Time (ACST).
Start: Australian Central Daylight Time (ACDT) started on Sunday, October 1, 2023 at 2:00 am local time and clocks were set one hour forward to Sunday, October 1, 2023, 3:00 am. Daylight saving starts annually on the first Sunday of October
End: Australian Central Daylight Time (ACDT) ends on Sunday, April 7, 2024 at 3:00 am local time and clocks are set one hour back to Sunday, April 7, 2024, 2:00 am local standard time instead. Daylight saving ends annually on the first Sunday of April
ACDT representations, usage and related time zones
- +1030 - basic
- +10:30 - extended
- +1030 - sign character (+) followed by a four digit time providing hours (10) and minutes (30) of the offset. Indicates an offset of ten hours and thirty minutes to the east of the zero meridian.
- Australia/Adelaide
- Australia/Broken_Hill
- Australia/South
- Australia/Yancowinna
- ACDT - Australian Central Daylight Time
- LHST - Lord Howe Standard Time
