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PT/PDT
12am
3am
6am
9am
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3pm
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HAC
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Quick answers

Selected conversion

5:00 am05:00 PDT (UTC-7), Oct 13, 2026 = 7:00 am07:00 HAC (UTC-5), Oct 13, 2026

PDT is 2 hours behind HAC.

How the time difference changes

For most of the year, PT is 2 hours behind HAC. From Nov 1, 2026 to Mar 14, 2027, PT is 3 hours behind HAC.

For most of the year, working hours of 9:00 am to 5:00 pm in PT correspond to 11:00 am to 7:00 pm in HAC. At other times of the year, working hours of 9:00 am to 5:00 pm in PT correspond to 12:00 pm to 8:00 pm in HAC.For most of the year, working hours of 09:00 to 17:00 in PT correspond to 11:00 to 19:00 in HAC. At other times of the year, working hours of 09:00 to 17:00 in PT correspond to 12:00 to 20:00 in HAC.

Compare PT time with HAC time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

Pacific Daylight Time is 2 hours behind Heure Avancée du Centre.
5:00 am05:00 in PDT is 7:00 am07:00 in HAC

PDT to HAC call time
Best time for a conference call or a meeting is between 9am-3pm09:00-15:00 in PDT which corresponds to 11am-5pm11:00-17:00 in HAC

5:00 am05:00 Pacific Daylight Time (PDT). Offset UTC -7:00 hours
7:00 am07:00 Heure Avancée du Centre (HAC). Offset UTC -5:00 hours

5:00 am05:00 PDT / 7:00 am07:00 HAC

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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 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 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

Heure Avancée du Centre

Offset: HAC is 5 hours behind Greenwich Mean Time (GMT).

Countries using this time zone: Canada, Cuba, Mexico, United States

Principal Cities: The largest city in the HAC time zone is Chicago in the United States, with about 2.664 million people. Other major cities in this time zone include Houston, Havana, San Antonio, Dallas.

Map of the areas on Heure Avancée du Centre (HAC)
HAC part of the year

Today all shaded areas are on HAC.

Daylight Saving: Heure Avancée du Centre (HAC) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Central Standard Time (CST).

123456789101112Start: Heure Avancée du Centre (HAC) started on Sunday, March 8, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 8, 2026, 3:00 am03:00. Daylight saving starts annually on the second Sunday of March.

123456789101112End: Heure Avancée du Centre (HAC) ends on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, November 1, 2026, 1:00 am01:00 local standard time instead. Daylight saving ends annually on the first Sunday of November.

See upcoming clock changes worldwide.

HAC representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -05 - basic short
  • -0500 - basic
  • -05:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0500 - sign character (-) followed by a four digit time providing hours (05) and minutes (00) of the offset. Indicates an offset of five hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Romeo - Military abbreviation for HAC
  • R - short form of 'Romeo'
Time zones with the GMT -5 offset:
  • CDT - Central Daylight Time
  • EST - Eastern Standard Time
  • ET - Eastern Time
  • COT - Colombia Time
  • CST - Cuba Standard Time
  • EASST - Easter Island Summer Time
  • ECT - Ecuador Time
  • PET - Peru Time
  • R - Romeo Time Zone