HAC to CLT Converter
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.CLT is not used on this date.
This converter uses CLST (UTC−3), as in Santiago.
Start by searching for a time zone, city, or town.
Add one or more places to compare local times, adjust the date, and share the result.
Quick answers
Selected conversion
7:00 am07:00 HAC (UTC-5), Nov 12, 2026 = 9:00 am09:00 CLST (UTC-3), Nov 12, 2026
HAC is 2 hours behind CLST.
HAC and CLT examples
These examples always use HAC (UTC-5) and CLT (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 CLT.
How the time difference changes
For most of the year, HAC is 2 hours behind CLST. From Apr 4 to Sep 5, 2027, HAC is 1 hour behind CLT.
For most of the year, working hours of 9:00 am to 6:00 pm in HAC correspond to 11:00 am to 8:00 pm in CLST. At other times of the year, working hours of 9:00 am to 6:00 pm in HAC correspond to 10:00 am to 7:00 pm in CLT.For most of the year, working hours of 09:00 to 18:00 in HAC correspond to 11:00 to 20:00 in CLST. At other times of the year, working hours of 09:00 to 18:00 in HAC correspond to 10:00 to 19:00 in CLT.
Compare HAC time with CLT 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 2 hours behind Chile Summer Time.
7:00 am07:00 in HAC is 9:00 am09:00 in CLST
HAC to CLST call time
Best time for a conference call or a meeting is between 9am-4pm09:00-16:00 in HAC which corresponds to 11am-6pm11:00-18:00 in CLST.
7:00 am07:00 Heure Avancée du Centre (HAC). Offset UTC -5:00 hours
9:00 am09:00 Chile Summer Time (CLST). Offset UTC -3:00 hours
7:00 am07:00 HAC / 9:00 am09:00 CLST
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.
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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.
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).
End: 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.
Start: 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
- -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
Chile Standard Time
Offset: CLT is 4 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Chile
Principal Cities: The largest city in the CLT time zone is Santiago in Chile, with about 4.837 million people. Other major cities in this time zone include Antofagasta, Viña del Mar, Valparaíso, Puerto Montt.
Today the shaded areas are on UTC−3.
Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Chile Summer Time (CLST).
End: Chile Standard Time (CLT) ended on Sunday, September 6, 2026 at 12:00 am00:00 local time and clocks were set one hour forward to Sunday, September 6, 2026, 1:00 am01:00 local daylight time instead.
Start: Chile Standard Time (CLT) starts on Sunday, April 4, 2027 at 12:00 am00:00 local time and clocks are set one hour back to Saturday, April 3, 2027, 11:00 pm23:00.
See Chile daylight saving time and upcoming clock changes worldwide.
CLT 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 CLT
- 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
- GYT - Guyana Time
- HLV - Hora Legal de Venezuela
- Q - Quebec Time Zone
- VET - Venezuelan Standard Time