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HAC
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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.
BOT
UTC−4
1h ahead
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Quick answers

Selected conversion

7:00 am07:00 HAC (UTC-5), Nov 12, 2026 = 8:00 am08:00 BOT (UTC-4), Nov 12, 2026

HAC is 1 hour behind BOT.

HAC and BOT examples

These examples always use HAC (UTC-5) and BOT (UTC-4). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.

HAC is 1 hour behind BOT.

How the time difference changes

HAC is 1 hour behind BOT year-round.

Working hours of 9:00 am to 6:00 pm in HAC correspond to 10:00 am to 7:00 pm in BOT.Working hours of 09:00 to 18:00 in HAC correspond to 10:00 to 19:00 in BOT.

Compare HAC time with BOT 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 1 hour behind Bolivia Time.
7:00 am07:00 in HAC is 8:00 am08:00 in BOT

HAC to BOT call time
Best time for a conference call or a meeting is between 9am-5pm09:00-17:00 in HAC which corresponds to 10am-6pm10:00-18:00 in BOT.

7:00 am07:00 Heure Avancée du Centre (HAC). Offset UTC -5:00 hours
8:00 am08:00 Bolivia Time (BOT). Offset UTC -4:00 hours

7:00 am07:00 HAC / 8:00 am08:00 BOT

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
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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

Bolivia Time

Offset: BOT is 4 hours behind Greenwich Mean Time (GMT).

Countries using this time zone: Bolivia

Principal Cities: The largest city in the BOT time zone is La Paz in Bolivia, with about 2.005 million people. Other major cities in this time zone include Santa Cruz de la Sierra, Cochabamba, 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; see upcoming clock changes worldwide.

BOT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -04 - basic short
  • -0400 - basic
  • -04:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -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.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Quebec - Military abbreviation for BOT
  • Q - short form of 'Quebec'
Time zones with the GMT -4 offset:
  • AST - Atlantic Standard Time
  • EDT - Eastern Daylight Time
  • AMT - Amazon Time
  • BOT - Bolivia Time
  • CDT - Cuba Daylight Time
  • CLT - Chile Standard Time
  • GYT - Guyana Time
  • HLV - Hora Legal de Venezuela
  • Q - Quebec Time Zone
  • VET - Venezuelan Standard Time