BOT to HAC 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.Quick answers
Selected conversion
The selected date and time will appear here when the converter loads.
BOT and HAC examples
These examples always use BOT (UTC-4) and HAC (UTC-5). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
BOT is 1 hour ahead of HAC.
How the time difference changes
BOT is 1 hour ahead of HAC year-round.
Working hours of 9:00 am to 5:00 pm in BOT correspond to 8:00 am to 4:00 pm in HAC.
Compare BOT time with HAC time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Bolivia Time is 1 hour ahead of Heure Avancée du Centre
8:00 am08:00 in BOT is 7:00 am07:00 in HAC
BOT to HAC call time
Best time for a conference call or a meeting is between 10am-5pm in BOT which corresponds to 9am-4pm in HAC
8:00 am08:00 Bolivia Time (BOT). Offset UTC -4:00 hours
7:00 am07:00 Heure Avancée du Centre (HAC). Offset UTC -5:00 hours
8:00 am08:00 BOT / 7:00 am07:00 HAC
| BOT | HAC |
|---|---|
| 12am (midnight) | 11pm |
| 1am | 12am (midnight) |
| 2am | 1am |
| 3am | 2am |
| 4am | 3am |
| 5am | 4am |
| 6am | 5am |
| 7am | 6am |
| 8am | 7am |
| 9am | 8am |
| 10am | 9am |
| 11am | 10am |
| 12pm (noon) | 11am |
| 1pm | 12pm (noon) |
| 2pm | 1pm |
| 3pm | 2pm |
| 4pm | 3pm |
| 5pm | 4pm |
| 6pm | 5pm |
| 7pm | 6pm |
| 8pm | 7pm |
| 9pm | 8pm |
| 10pm | 9pm |
| 11pm | 10pm |
| 00:00 | 23:00 |
| 01:00 | 00:00 |
| 02:00 | 01:00 |
| 03:00 | 02:00 |
| 04:00 | 03:00 |
| 05:00 | 04:00 |
| 06:00 | 05:00 |
| 07:00 | 06:00 |
| 08:00 | 07:00 |
| 09:00 | 08:00 |
| 10:00 | 09:00 |
| 11:00 | 10:00 |
| 12:00 | 11:00 |
| 13:00 | 12:00 |
| 14:00 | 13:00 |
| 15:00 | 14:00 |
| 16:00 | 15:00 |
| 17:00 | 16:00 |
| 18:00 | 17:00 |
| 19:00 | 18:00 |
| 20:00 | 19:00 |
| 21:00 | 20:00 |
| 22:00 | 21:00 |
| 23:00 | 22:00 |
Bolivia Time
Offset: BOT is 4 hours behind Greenwich Mean Time (GMT) and is used in South America
Countries using this time zone: Bolivia
Principal Cities: The largest city in the BOT time zone is Santa Cruz de la Sierra in Bolivia, with about 1.364 million people. Other major cities in this time zone include Cochabamba, La Paz, Sucre, Oruro.
Daylight Saving: Clocks in Bolivia Time (BOT) do not change for daylight saving time, so BOT stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter.

BOT representations, usage and related time zones
- -04 - basic short
- -0400 - basic
- -04:00 - extended
- -0400 - sign character (-) followed by a four digit time providing hours (04) and minutes (00) of the offset. Indicates an offset of four hours to the west of the zero meridian.
- Quebec - Military abbreviation for BOT
- Q - short form of 'Quebec'
- AST - Atlantic Standard Time
- EDT - Eastern Daylight Time
- AMT - Amazon Time
- BOT - Bolivia Time
- CDT - Cuba Daylight Time
- CLT - Chile Standard Time
- FKT - Falkland Island Time
- GYT - Guyana Time
- HLV - Hora Legal de Venezuela
- PYT - Paraguay Time
- Q - Quebec Time Zone
- VET - Venezuelan Standard Time
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
