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PT/PDT
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Z
UTC+0
7h ahead
12am
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9am
12pm
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9pm

Quick answers

Selected conversion

5:00 am05:00 PDT (UTC-7), Oct 18, 2026 = 12:00 pm12:00 Z (UTC+0), Oct 18, 2026

PDT is 7 hours behind Z.

How the time difference changes

For most of the year, PT is 7 hours behind Z. From Nov 1, 2026 to Mar 14, 2027, PT is 8 hours behind Z.

For most of the year, working hours of 9:00 am to 6:00 pm in PT correspond to 4:00 pm to 1:00 am (next day) in Z. At other times of the year, working hours of 9:00 am to 6:00 pm in PT correspond to 5:00 pm to 2:00 am (next day) in Z.For most of the year, working hours of 09:00 to 18:00 in PT correspond to 16:00 to 01:00 (next day) in Z. At other times of the year, working hours of 09:00 to 18:00 in PT correspond to 17:00 to 02:00 (next day) in Z.

Compare PT time with Z 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 Zulu Time Zone.
5:00 am05:00 in PDT is 12:00 pm12:00 in Z

PDT to Z call time
Best time for a conference call or a meeting is between 9am-11am09:00-11:00 in PDT which corresponds to 4pm-6pm16:00-18:00 in Z

5:00 am05:00 Pacific Daylight Time (PDT). Offset UTC -7:00 hours
12:00 pm12:00 Zulu Time Zone (Z). Offset UTC 0:00 hours

5:00 am05:00 PDT / 12:00 pm12:00 Z

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Hourly time comparison
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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 North America. 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 United States and the Northwestern part of Mexico. From November 1, 2026, most of British Columbia in Canada keeps UTC-7 all year instead.

Countries using this time zone: Mexico, United States

Principal Cities: The largest city in the PT time zone is Los Angeles in the United States, with about 3.821 million people. Other major cities in this time zone include Tijuana, San Diego, Mexicali, San Jose.

French: HNP - Heure Normale du Pacifique

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

PT 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 PT
  • U - short form of 'Uniform'
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

Zulu Time Zone

Offset: Z is the same as Greenwich Mean Time (GMT).

Countries using this time zone: Antarctica, Burkina Faso, Faroe Islands, Gambia, Ghana, Greenland, Guernsey, Guinea, Guinea-Bissau, Iceland, Ireland, Isle of Man, Ivory Coast, Jersey, Liberia, Mali, Mauritania, Morocco, Portugal, Saint Helena, São Tomé and Príncipe, Senegal, Sierra Leone, Spain, Togo, United Kingdom, Western Sahara

Principal Cities: The largest city in the Z time zone is London in the United Kingdom, with about 8.962 million people. Other major cities in this time zone include Abidjan, Bamako, Casablanca, Dakar.

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

Map of the areas on Zulu Time Zone (Z)
Z all year Z part of the year

Today some of the lighter areas are on UTC+1 (British Summer Time, Irish Standard Time, WEST).

Z 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 Z
  • Z - short form of '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 - Coordinated Universal Time
  • WT - Western Sahara Standard Time
  • Z - Zulu Time Zone