GMT/BST to GMT time converter

GMT is 1 hour behind GMT/BST. When it is 9:00 AM in GMT/BST, it is 8:00 AM in GMT.

GMT/BST BST

Friday, October 16, 2026

GMT UTC

Friday, October 16, 2026

GMT/BST
British Summer Time
Fri, Oct 16
BSTUTC+1
GMT
Greenwich Mean Time
Fri, Oct 16
UTC-1h
Finding your time zone…
Shared working hours (9:00–18:00)

GMT/BST to GMT conversion table

Every hour of today in GMT/BST and the matching time in GMT. Light rows are typical working hours (9:00–18:00).

GMT/BSTGMT
12:00 AM11:00 PM−1 day
1:00 AM12:00 AM
2:00 AM1:00 AM
3:00 AM2:00 AM
4:00 AM3:00 AM
5:00 AM4:00 AM
6:00 AM5:00 AM
7:00 AM6:00 AM
8:00 AM7:00 AM
9:00 AM8:00 AM
10:00 AM9:00 AM
11:00 AM10:00 AM
12:00 PM11:00 AM
1:00 PM12:00 PM
2:00 PM1:00 PM
3:00 PM2:00 PM
4:00 PM3:00 PM
5:00 PM4:00 PM
6:00 PM5:00 PM
7:00 PM6:00 PM
8:00 PM7:00 PM
9:00 PM8:00 PM
10:00 PM9:00 PM
11:00 PM10:00 PM

Best time to call or meet

Both sides are at work from 10:00 AM – 6:00 PM in GMT/BST (9:00 AM – 5:00 PM in GMT).

Daylight saving time and the difference

The difference changes during the year because GMT/BST and GMT switch clocks on different dates:

  • Oct 16, 2026 – Oct 25, 2026: -1h
  • Oct 25, 2026 – Mar 28, 2027: ±0
  • Mar 28, 2027 – Oct 16, 2027: -1h

More conversions

GMT to BSTBST to UTCBST to ESTBST to CSTBST to MSTBST to PSTBST to CETBST to MSKBST to GSTBST to PKTBST to ISTBST to SGTBST to PHT
UTC to GMTEST to GMTCST to GMTMST to GMTPST to GMTCET to GMTMSK to GMTGST to GMTPKT to GMTIST to GMTSGT to GMTPHT to GMT

Questions and answers

What is the time difference between GMT/BST and GMT?

GMT is 1 hour behind GMT/BST.

What time is it in GMT when it is 9 AM in GMT/BST?

When it is 9:00 AM in GMT/BST, it is 8:00 AM in GMT.

When is the best time to call GMT from GMT/BST?

Both sides are at work from 10:00 AM – 6:00 PM in GMT/BST (9:00 AM – 5:00 PM in GMT).

Does the time difference between GMT/BST and GMT change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.