Updating current time…
BOT
Bolivia Time
GMT -4
12am
3am
6am
9am
12pm
3pm
6pm
9pm
HAC
Heure Avancée du Centre
GMT -5
12am
3am
6am
9am
12pm
3pm
6pm
9pm
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

BOTHAC
12am (midnight)11pm
1am12am (midnight)
2am1am
3am2am
4am3am
5am4am
6am5am
7am6am
8am7am
9am8am
10am9am
11am10am
12pm (noon)11am
1pm12pm (noon)
2pm1pm
3pm2pm
4pm3pm
5pm4pm
6pm5pm
7pm6pm
8pm7pm
9pm8pm
10pm9pm
11pm10pm
00:0023:00
01:0000:00
02:0001:00
03:0002:00
04:0003:00
05:0004:00
06:0005:00
07:0006:00
08:0007:00
09:0008:00
10:0009:00
11:0010:00
12:0011:00
13:0012:00
14:0013:00
15:0014:00
16:0015:00
17:0016:00
18:0017:00
19:0018:00
20:0019:00
21:0020:00
22:0021:00
23:0022:00

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 Time Zone Geo Map
BOT timezone map

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
  • 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).

Daylight saving time clock moves forward for one hour from 2am to 3amEnd: 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

Daylight saving time clock moves back for one hour from 2am to 1amStart: 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

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