Offset
The time difference between Central Time and Brazzaville is 6 hours.
Central Time (CDT) is behind Brazzaville (GMT+1).
CDT: UTC-5
GMT+1: UTC+1
Central Time is currently observing daylight saving time; Brazzaville is not.
When to schedule
Business-hours overlap: 9 AM–11 AM in Central Time (3 PM–5 PM in Brazzaville).
Both teams are in working hours during this window on weekdays.
Suggested time: 10:00 AM Central Time (4:00 PM Brazzaville).
This window may shift by an hour during daylight saving time.
Public holidays in 2026
National public holidays can affect availability — a counterpart is likely off work on their own holidays, so it's worth planning meetings and deadlines around them.
United States
- New Year's DayThu, Jan 1
- Martin Luther King, Jr. DayMon, Jan 19
- Presidents DayMon, Feb 16
- Memorial DayMon, May 25
- Juneteenth National Independence DayFri, Jun 19
- Independence DayFri, Jul 3
- Labour DayMon, Sep 7
- Columbus DayMon, Oct 12
- Veterans DayWed, Nov 11
- Thanksgiving DayThu, Nov 26
- Christmas DayFri, Dec 25
Republic of the Congo
- New Year's DayThu, Jan 1
- Easter SundaySun, Apr 5
- Easter MondayMon, Apr 6
- Labour DayFri, May 1
- Ascension DayThu, May 14
- Whit MondayMon, May 25
- Reconciliation DayWed, Jun 10
- National DaySat, Aug 15
- All Saints' DaySun, Nov 1
- Republic DaySat, Nov 28
- Christmas DayFri, Dec 25
About these zones
Central Time is also known as CST, or CDT. To call United States, dial +1.
Brazzaville uses West Africa Time. To call Republic of the Congo, dial +242.
Brazzaville is approximately 7,100 miles east of Central Time.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| CST | Brazzaville | Day |
|---|---|---|
| 12:00 am | 6:00 am | Same day |
| 1:00 am | 7:00 am | Same day |
| 2:00 am | 8:00 am | Same day |
| 3:00 am | 9:00 am | Same day |
| 4:00 am | 10:00 am | Same day |
| 5:00 am | 11:00 am | Same day |
| 6:00 am | 12:00 pm | Same day |
| 7:00 am | 1:00 pm | Same day |
| 8:00 am | 2:00 pm | Same day |
| 9:00 am | 3:00 pm | Same day |
| 10:00 am | 4:00 pm | Same day |
| 11:00 am | 5:00 pm | Same day |
| 12:00 pm | 6:00 pm | Same day |
| 1:00 pm | 7:00 pm | Same day |
| 2:00 pm | 8:00 pm | Same day |
| 3:00 pm | 9:00 pm | Same day |
| 4:00 pm | 10:00 pm | Same day |
| 5:00 pm | 11:00 pm | Same day |
| 6:00 pm | 12:00 am | +1 day |
| 7:00 pm | 1:00 am | +1 day |
| 8:00 pm | 2:00 am | +1 day |
| 9:00 pm | 3:00 am | +1 day |
| 10:00 pm | 4:00 am | +1 day |
| 11:00 pm | 5:00 am | +1 day |
Daylight saving time
Central Time observes daylight saving time; Brazzaville does not. The offset between the two zones changes when Central Time transitions: on Sunday, November 1, 2026, clocks fall back from CDT to CST.
See the daylight saving time page for transition dates across every time zone.
Daylight today
- Sunrise
- 5:36 AM
- Sunset
- 8:19 PM
- Day length
- 14h 43m
- Sunrise
- 6:09 AM
- Sunset
- 6:03 PM
- Day length
- 11h 55m
Daylight overlap: 6h 27m — 5:36 AM–12:03 PM in Central Time (11:36 AM–6:03 PM in Brazzaville). Both locations are in daylight during this window.
Cities in these zones
Cities in Central Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in Central Time
- GYY
- MDW
- ORD
- HOU
- IAH
- SAT
- DAL
- DFW
- AUS
- BNA
Airports in West Africa Time
- BZV
Related conversions
Common conversions
- What is 9:00 am CST in Brazzaville?
- 9:00 am CST is 3:00 pm Brazzaville.
- What is 12:00 pm CST in Brazzaville?
- 12:00 pm CST is 6:00 pm Brazzaville.
- What is 12:30 pm CST in Brazzaville?
- 12:30 pm CST is 6:30 pm Brazzaville.
- What is 2:00 pm CST in Brazzaville?
- 2:00 pm CST is 8:00 pm Brazzaville.
- What is 5:00 pm CST in Brazzaville?
- 5:00 pm CST is 11:00 pm Brazzaville.
- What is 11:30 pm CST in Brazzaville?
- 11:30 pm CST is 5:30 am Brazzaville, the next day.