Offset
The time difference between Eastern Time and Brazzaville is 5 hours.
Eastern Time (EDT) is behind Brazzaville (GMT+1).
EDT: UTC-4
GMT+1: UTC+1
Eastern Time is currently observing daylight saving time; Brazzaville is not.
When to schedule
Business-hours overlap: 9 AM–12 PM in Eastern Time (2 PM–5 PM in Brazzaville).
Both teams are in working hours during this window on weekdays.
Suggested time: 10:00 AM Eastern Time (3:00 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
Eastern Time is also known as EST, or EDT. To call United States, dial +1.
Brazzaville uses West Africa Time. To call Republic of the Congo, dial +242.
Brazzaville is approximately 6,350 miles east of Eastern Time.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| EST | Brazzaville | Day |
|---|---|---|
| 12:00 am | 5:00 am | Same day |
| 1:00 am | 6:00 am | Same day |
| 2:00 am | 7:00 am | Same day |
| 3:00 am | 8:00 am | Same day |
| 4:00 am | 9:00 am | Same day |
| 5:00 am | 10:00 am | Same day |
| 6:00 am | 11:00 am | Same day |
| 7:00 am | 12:00 pm | Same day |
| 8:00 am | 1:00 pm | Same day |
| 9:00 am | 2:00 pm | Same day |
| 10:00 am | 3:00 pm | Same day |
| 11:00 am | 4:00 pm | Same day |
| 12:00 pm | 5:00 pm | Same day |
| 1:00 pm | 6:00 pm | Same day |
| 2:00 pm | 7:00 pm | Same day |
| 3:00 pm | 8:00 pm | Same day |
| 4:00 pm | 9:00 pm | Same day |
| 5:00 pm | 10:00 pm | Same day |
| 6:00 pm | 11:00 pm | Same day |
| 7:00 pm | 12:00 am | +1 day |
| 8:00 pm | 1:00 am | +1 day |
| 9:00 pm | 2:00 am | +1 day |
| 10:00 pm | 3:00 am | +1 day |
| 11:00 pm | 4:00 am | +1 day |
Daylight saving time
Eastern Time observes daylight saving time; Brazzaville does not. The offset between the two zones changes when Eastern Time transitions: on Sunday, November 1, 2026, clocks fall back from EDT to EST.
See the daylight saving time page for transition dates across every time zone.
Daylight today
- Sunrise
- 5:45 AM
- Sunset
- 8:21 PM
- Day length
- 14h 36m
- Sunrise
- 6:09 AM
- Sunset
- 6:03 PM
- Day length
- 11h 55m
Daylight overlap: 7h 18m — 5:45 AM–1:03 PM in Eastern Time (10:45 AM–6:03 PM in Brazzaville). Both locations are in daylight during this window.
Cities in these zones
Cities in Eastern Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in Eastern Time
- EWR
- HPN
- JFK
- LGA
- TEB
- ILG
- PHL
- TTN
- CLT
- USA
Airports in West Africa Time
- BZV
Related conversions
Common conversions
- What is 9:00 am EST in Brazzaville?
- 9:00 am EST is 2:00 pm Brazzaville.
- What is 12:00 pm EST in Brazzaville?
- 12:00 pm EST is 5:00 pm Brazzaville.
- What is 12:30 pm EST in Brazzaville?
- 12:30 pm EST is 5:30 pm Brazzaville.
- What is 2:00 pm EST in Brazzaville?
- 2:00 pm EST is 7:00 pm Brazzaville.
- What is 5:00 pm EST in Brazzaville?
- 5:00 pm EST is 10:00 pm Brazzaville.
- What is 11:30 pm EST in Brazzaville?
- 11:30 pm EST is 4:30 am Brazzaville, the next day.