UTC
Universal Time Coordinated
GMT +0
PST
Pacific Standard Time
GMT -8
Washington, USA
PST

Time Difference

Universal Time Coordinated is 8 hours ahead of Pacific Standard Time and 8 hours ahead of PST (Pacific Standard Time)
7:00 am07:00 in UTC is 11:00 pm23:00 in PST and is 11:00 pm23:00 in Seattle, WA, USA

UTC to PST call time
Best time for a conference call or a meeting is between 4pm-6pm in UTC which corresponds to 8am-10am in PST
UTC to Seattle call time
Best time for a conference call or a meeting is between 4pm-6pm in UTC which corresponds to 8am-10am in Seattle

7:00 am07:00 Universal Time Coordinated (UTC). Offset UTC 0:00 hours
11:00 pm23:00 Pacific Standard Time (PST). Offset UTC -8:00 hours
11:00 pm23:00 PST (Pacific Standard Time) (Seattle, WA, USA). Offset UTC -8:00 hours

7:00 am07:00 UTC / 11:00 pm23:00 PST / 11:00 pm23:00 Seattle, WA, USA

UTC PST Seattle, WA, USA
12am (midnight) 4pm 4pm
1am 5pm 5pm
2am 6pm 6pm
3am 7pm 7pm
4am 8pm 8pm
5am 9pm 9pm
6am 10pm 10pm
7am 11pm 11pm
8am 12am (midnight) 12am (midnight)
9am 1am 1am
10am 2am 2am
11am 3am 3am
12pm (noon) 4am 4am
1pm 5am 5am
2pm 6am 6am
3pm 7am 7am
4pm 8am 8am
5pm 9am 9am
6pm 10am 10am
7pm 11am 11am
8pm 12pm (noon) 12pm (noon)
9pm 1pm 1pm
10pm 2pm 2pm
11pm 3pm 3pm
0:00 16:00 16:00
1:00 17:00 17:00
2:00 18:00 18:00
3:00 19:00 19:00
4:00 20:00 20:00
5:00 21:00 21:00
6:00 22:00 22:00
7:00 23:00 23:00
8:00 0:00 0:00
9:00 1:00 1:00
10:00 2:00 2:00
11:00 3:00 3:00
12:00 4:00 4:00
13:00 5:00 5:00
14:00 6:00 6:00
15:00 7:00 7:00
16:00 8:00 8:00
17:00 9:00 9:00
18:00 10:00 10:00
19:00 11:00 11:00
20:00 12:00 12:00
21:00 13:00 13:00
22:00 14:00 14:00
23:00 15:00 15:00

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 zero hour and zero minutes time differences of the zero meridian.
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

Pacific Standard Time

Offset: PST is 8 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 PST 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: 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 timezone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Pacific Daylight Time (PDT).

Daylight saving time clock moves back for one hour from 2am to 1amStart: Pacific Standard Time (PST) started on Sunday, October 31, 2004 at 2:00 am local time and clocks were set one hour back to Sunday, October 31, 2004, 1:00 am. Standard time starts annually the on last Sunday of October.

Daylight saving time clock moves forward for one hour from 2am to 3amEnd: Pacific Standard Time (PST) ends on Sunday, April 3, 2005 at 2:00 am local time and clocks are set one hour forward to Sunday, April 3, 2005, 3:00 am local daylight time instead. Standard time starts annually the on first Sunday of April.

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 eight hour and zero minutes time differences 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
  • Peru Standard Time - UTC -5
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

Seattle Information

Time Zone

Abbreviation / Name
PDT - Pacific Daylight Time
HNP - Heure Normale du Pacifique
UTC / GMT Offset
-7:00 hours during Pacific Daylight Time, currently in use.
-8:00 hours during Heure Normale du Pacifique.
Daylight Saving Time Change
+1:00 hour - DST is in use
Daylight Saving Time Starts
Daylight saving time clock moves forward for one hour from 2am to 3am Sunday, March 9, 2025 at 2:00 am local time. DST starts annually the on second Sunday of March. Clocks are turned forward 1 hour to Sunday, March 9, 2025, 3:00 am local daylight time instead. Also called Spring Forward or Summer Time.
Daylight Saving Time Ends
Daylight saving time clock moves back for one hour from 2am to 1am Sunday, November 2, 2025 at 2:00 am local time. DST ends annually the on first Sunday of November. Clocks are turned backward 1 hour to Sunday, November 2, 2025, 1:00 am local standard time instead. Also called Fall Back or switch to Winter Time.

Seattle Facts

Country
USA
State
Washington
Alternative Names
SEA, Seatl, Seattle, Seattlum, Siatl, Siatul, Siehtl, Sietl, Sietla, Sietlas, Sijetl, Siyaatil, Séatl, ciyattil, shiatoru, si'aitala, siaeteul, sietʼli, siyatal, siyatala, syatl, xi ya tu, Σιάτλ, Сиатъл, Сиетл, Сиэтл, Сијетл, Сіэтл, Сієтл, Սիեթլ, סיאטל, سياتل, سیئٹل, سیاتل, سیاٹل, सिअ‍ॅटल, सीऐटल, সিয়াটল, சியாட்டில், ಸಿಯಾಟಲ್, ซีแอตเทิล, სიეტლი, ስያትል, ស៊ីតថល, シアトル, 西雅圖, 시애틀
Population
684,451
Currency
Dollar (USD)
Geographic Coordinates
47° 36' N Latitude / 122° 19' W Longitude
International Dialing Code
+1