HAC to PDT Converter
HAC is not used on this date
This converter keeps HAC at GMT -5. Chicago uses CST (GMT -6) on this date. Open the CST converter, or choose Mexico City, Chicago, or Houston for city-specific time.PDT is not used on this date
This converter uses PST (GMT -8), the offset Los Angeles uses on this date. Open the PST converter.Quick answers
Selected conversion
The selected date and time will appear here when the converter loads.
HAC and PDT examples
These examples always use HAC (UTC-5) and PDT (UTC-7). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
HAC is 2 hours ahead of PDT.
How the time difference changes
For most of the year, HAC is 2 hours ahead of PDT. At other times of the year, HAC is 3 hours ahead of PST.
For most of the year, working hours of 9:00 am to 5:00 pm in HAC correspond to 7:00 am to 3:00 pm in PDT. At other times of the year, working hours of 9:00 am to 5:00 pm in HAC correspond to 6:00 am to 2:00 pm in PST.
Compare HAC time with PDT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Heure Avancée du Centre is 3 hours ahead of Pacific Standard Time
7:00 am07:00 in HAC is 4:00 am04:00 in PST
HAC to PST call time
Best time for a conference call or a meeting is between 12pm-5pm in HAC which corresponds to 9am-2pm in PST
7:00 am07:00 Heure Avancée du Centre (HAC). Offset UTC -5:00 hours
4:00 am04:00 Pacific Standard Time (PST). Offset UTC -8:00 hours
7:00 am07:00 HAC / 4:00 am04:00 PST
| HAC | PST |
|---|---|
| 12am (midnight) | 9pm |
| 1am | 10pm |
| 2am | 11pm |
| 3am | 12am (midnight) |
| 4am | 1am |
| 5am | 2am |
| 6am | 3am |
| 7am | 4am |
| 8am | 5am |
| 9am | 6am |
| 10am | 7am |
| 11am | 8am |
| 12pm (noon) | 9am |
| 1pm | 10am |
| 2pm | 11am |
| 3pm | 12pm (noon) |
| 4pm | 1pm |
| 5pm | 2pm |
| 6pm | 3pm |
| 7pm | 4pm |
| 8pm | 5pm |
| 9pm | 6pm |
| 10pm | 7pm |
| 11pm | 8pm |
| 00:00 | 21:00 |
| 01:00 | 22:00 |
| 02:00 | 23:00 |
| 03:00 | 00:00 |
| 04:00 | 01:00 |
| 05:00 | 02:00 |
| 06:00 | 03:00 |
| 07:00 | 04:00 |
| 08:00 | 05:00 |
| 09:00 | 06:00 |
| 10:00 | 07:00 |
| 11:00 | 08:00 |
| 12:00 | 09:00 |
| 13:00 | 10:00 |
| 14:00 | 11:00 |
| 15:00 | 12:00 |
| 16:00 | 13:00 |
| 17:00 | 14:00 |
| 18:00 | 15:00 |
| 19:00 | 16:00 |
| 20:00 | 17:00 |
| 21:00 | 18:00 |
| 22:00 | 19:00 |
| 23:00 | 20:00 |
Heure Avancée du Centre
Offset: HAC is 5 hours behind Greenwich Mean Time (GMT) and is used in America
Countries using this time zone: Cuba
Principal Cities: The largest city in the HAC time zone is Havana in Cuba, with about 2.164 million people. Other major cities in this time zone include Santiago de Cuba, Camaguey, Holguin, Guantanamo.
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).
End: Heure Avancée du Centre (HAC) ended on Sunday, November 2, 2025 at 2:00 am local time and clocks were set one hour back to Sunday, November 2, 2025, 1:00 am local standard time instead. Daylight saving ends annually on the first Sunday of November
Start: Heure Avancée du Centre (HAC) starts on Sunday, March 8, 2026 at 2:00 am local time and clocks are set one hour forward to Sunday, March 8, 2026, 3:00 am. Daylight saving starts annually on the second Sunday of March
HAC representations, usage and related time zones
- -05 - basic short
- -0500 - basic
- -05:00 - extended
- -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.
- Romeo - Military abbreviation for HAC
- R - short form of 'Romeo'
- 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
Pacific Daylight Time
Offset: PDT is 7 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries using this time zone: Canada, Mexico, United States
Principal Cities: The largest city in the PDT 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: HAP - Heure Avancée du Pacifique
Spanish: PT - Zona Noroeste
Daylight Saving: Pacific Daylight Time (PDT) is a daylight saving/summer time zone, but some places set clocks back one hour during winter and observe Pacific Standard Time (PST).
End: Pacific Daylight Time (PDT) ended on Sunday, November 2, 2025 at 2:00 am local time and clocks were set one hour back to Sunday, November 2, 2025, 1:00 am local standard time instead. Daylight saving ends annually on the first Sunday of November
Start: Pacific Daylight Time (PDT) starts on Sunday, March 8, 2026 at 2:00 am local time and clocks are set one hour forward to Sunday, March 8, 2026, 3:00 am. Daylight saving starts annually on the second Sunday of March
PDT representations, usage and related time zones
- -07 - basic short
- -0700 - basic
- -07:00 - extended
- -0700 - sign character (-) followed by a four digit time providing hours (07) and minutes (00) of the offset. Indicates an offset of seven hours to the west of the zero meridian.
- Tango - Military abbreviation for PDT
- T - short form of 'Tango'
- America/Ensenada
- America/Los_Angeles
- America/Santa_Isabel
- America/Tijuana
- America/Vancouver
- Canada/Pacific
- Mexico/BajaNorte
- PST8PDT
- US/Pacific
- MST - Mountain Standard Time
- PDT - Pacific Daylight Time
- YST - Yukon Standard Time
- T - Tango Time Zone