Updating current time…
PT
12am
3am
6am
9am
12pm
3pm
6pm
9pm
HAC
12am
3am
6am
9am
12pm
3pm
6pm
9pm
HAC is not used on this date
This converter keeps HAC at UTC−5. Chicago uses CST (UTC−6) on this date. Open the CST converter, or choose Mexico City, Chicago, or Houston for city-specific time.

Quick answers

Selected conversion

4:00 am04:00 PT (UTC-8), Nov 5, 2026 = 7:00 am07:00 HAC (UTC-5), Nov 5, 2026

PT is 3 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 6:00 pm in PT correspond to 11:00 am to 8:00 pm in HAC. At other times of the year, working hours of 9:00 am to 6:00 pm in PT correspond to 12:00 pm to 9:00 pm in HAC.For most of the year, working hours of 09:00 to 18:00 in PT correspond to 11:00 to 20:00 in HAC. At other times of the year, working hours of 09:00 to 18:00 in PT correspond to 12:00 to 21:00 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 Time is 3 hours behind Heure Avancée du Centre.
4:00 am04:00 in PT is 7:00 am07:00 in HAC

PT to HAC call time
Best time for a conference call or a meeting is between 9am-3pm09:00-15:00 in PT which corresponds to 12pm-6pm12:00-18:00 in HAC

4:00 am04:00 Pacific Time (PT). Offset UTC -8:00 hours
7:00 am07:00 Heure Avancée du Centre (HAC). Offset UTC -5:00 hours

4:00 am04:00 PT / 7:00 am07:00 HAC

Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.

Hourly time comparison
PTHAC
3:00am
4:00am
5:00am
6:00am
7:00am
8:00am
9:00am
10:00am
11:00am
12:00pm
1:00pm
2:00pm
3:00pm
4:00pm
5:00pm
6:00pm
7:00pm
8:00pm
9:00pm
10:00pm
11:00pm
12:00am next day
1:00am next day
2:00am next day
03:00
04:00
05:00
06:00
07:00
08:00
09:00
10:00
11:00
12:00
13:00
14:00
15:00
16:00
17:00
18:00
19:00
20:00
21:00
22:00
23:00
00:00 next day
01:00 next day
02:00 next day

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

Heure Avancée du Centre

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

Countries using this time zone: Canada, 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, San Antonio, Dallas, Fort Worth.

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

Today the shaded areas are on UTC−6 (Central Standard Time).

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

123456789101112End: Heure Avancée du Centre (HAC) ended on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks were 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.

123456789101112Start: Heure Avancée du Centre (HAC) starts on Sunday, March 14, 2027 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 14, 2027, 3:00 am03:00. Daylight saving starts annually on the second Sunday of March.

See USA daylight saving time and 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