World Timezones

GMT to CAT Converter

Compare CAT to GMT instead
Greenwich Mean Time5:35 amFri, Jun 5
Greenwich Mean TimeBST
Europe · UTC+1
5:35 amFri, Jun 5
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Central Africa TimeCAT
Africa · UTC+2
6:35 amFri, Jun 5
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Offset

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

1 hour

Greenwich Mean Time (BST) is behind Central Africa Time (CAT).

BST: UTC+1

CAT: UTC+2

Greenwich Mean Time is currently observing daylight saving time; Central Africa Time is not.

When to schedule

Business-hours overlap: 9 AM–4 PM in Greenwich Mean Time (10 AM–5 PM in Central Africa Time).

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

Suggested time: 12:00 PM Greenwich Mean Time (1:00 PM Central Africa Time).

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

About these zones

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

Central Africa Time is also known as CAT. To call Zambia, dial +260.

Central Africa Time is approximately 5,150 miles southeast of Greenwich Mean Time.

Quick reference

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

GMTCATDay
12:00 am1:00 amSame day
1:00 am2:00 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; Central Africa Time does not. The offset between the two zones changes when Greenwich Mean Time transitions: on Sunday, October 25, 2026, clocks fall back from BST to GMT.

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

Daylight today

Greenwich Mean Time
Sunrise
4:47 AM
Sunset
9:13 PM
Day length
16h 25m
Central Africa Time
Sunrise
6:22 AM
Sunset
5:28 PM
Day length
11h 6m

Daylight overlap: 11h 6m — 5:22 AM–4:28 PM in Greenwich Mean Time (6:22 AM–5:28 PM in Central Africa Time). Both locations are in daylight during this window.

Cities in these zones

Cities in Central Africa Time

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 Central Africa Time

  • HRE

Related conversions

Common conversions

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