World Timezones

GMT to Brazzaville Converter

Compare Brazzaville to GMT instead
Greenwich Mean Time7:52 amSun, Oct 25
Greenwich Mean TimeGMT
Europe · UTC
7:52 amSun, Oct 25
12a
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BrazzavilleGMT+1
Republic of the Congo · UTC+1
8:52 amSun, Oct 25
12a
1a
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5a
6a
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8a
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11a
12p
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12a

Offset

The time difference between Greenwich Mean Time and Brazzaville is 1 hour.

1 hour

Greenwich Mean Time (GMT) is behind Brazzaville (GMT+1).

GMT: UTC

GMT+1: UTC+1

Neither Greenwich Mean Time nor Brazzaville is currently observing daylight saving time.

When to schedule

Business-hours overlap: 9 AM–5 PM in Greenwich Mean Time (9 AM–5 PM in Brazzaville).

Both teams are in working hours during this window on weekdays.

Suggested time: 1:00 PM Greenwich Mean Time (1:00 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 Kingdom

  • Good FridayFri, Apr 3
  • Early May Bank HolidayMon, May 4
  • Spring Bank HolidayMon, May 25
  • Christmas DayFri, Dec 25
  • St. Stephen's DayMon, Dec 28

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

Greenwich Mean Time is also known as GMT, or BST. To call United Kingdom, dial +44.

Brazzaville uses West Africa Time. To call Republic of the Congo, dial +242.

Brazzaville is approximately 3,950 miles south of Greenwich Mean Time.

Quick reference

Full 24-hour conversion table — tap any time to open it in the converter.

GMTBrazzavilleDay
12:00 am12:00 amSame day
1:00 am1:00 amSame day
2:00 am3:00 amSame day
3:00 am4:00 amSame day
4:00 am5:00 amSame day
5:00 am6:00 amSame day
6:00 am7:00 amSame day
7:00 am8:00 amSame day
8:00 am9:00 amSame day
9:00 am10:00 amSame day
10:00 am11:00 amSame day
11:00 am12:00 pmSame day
12:00 pm1:00 pmSame day
1:00 pm2:00 pmSame day
2:00 pm3:00 pmSame day
3:00 pm4:00 pmSame day
4:00 pm5:00 pmSame day
5:00 pm6:00 pmSame day
6:00 pm7:00 pmSame day
7:00 pm8:00 pmSame day
8:00 pm9:00 pmSame day
9:00 pm10:00 pmSame day
10:00 pm11:00 pmSame day
11:00 pm12:00 am+1 day

Daylight saving time

Greenwich Mean Time observes daylight saving time; Brazzaville does not. The offset between the two zones changes when Greenwich Mean Time transitions: on Sunday, March 28, 2027, clocks spring forward from GMT to BST.

See the daylight saving time page for transition dates across every time zone.

Daylight today

Greenwich Mean Time
Sunrise
6:42 AM
Sunset
4:49 PM
Day length
10h 7m
Brazzaville
Sunrise
5:37 AM
Sunset
5:51 PM
Day length
12h 14m

Daylight overlap: 10h 7m — 6:42 AM–4:49 PM in Greenwich Mean Time (7:42 AM–5:49 PM in Brazzaville). Both locations are in daylight during this window.

Cities in these zones

Browse all cities to see the current local time anywhere.

Airports in these zones

Airports in Greenwich Mean Time

  • LCY
  • LGW
  • LHR
  • LTN
  • STN
  • BHX
  • EMA
  • GLA
  • PIK
  • LBA

Airports in West Africa Time

  • BZV

Related conversions

Common conversions

What is 9:00 am GMT in Brazzaville?
9:00 am GMT is 10:00 am Brazzaville.
What is 12:00 pm GMT in Brazzaville?
12:00 pm GMT is 1:00 pm Brazzaville.
What is 12:30 pm GMT in Brazzaville?
12:30 pm GMT is 1:30 pm Brazzaville.
What is 2:00 pm GMT in Brazzaville?
2:00 pm GMT is 3:00 pm Brazzaville.
What is 5:00 pm GMT in Brazzaville?
5:00 pm GMT is 6:00 pm Brazzaville.
What is 11:30 pm GMT in Brazzaville?
11:30 pm GMT is 12:30 am Brazzaville, the next day.