GMTTime.nowGreenwich Mean Time

GMT to WEST Converter

WEST is 1 hour ahead of GMT.

GMT
Monday, November 9, 2026
Greenwich Mean Time · UTC+0
WEST
Monday, November 9, 2026
Western European Summer Time · UTC+1

Convert GMT to WEST

GMT 15:08 = WEST 15:08

GMT to WEST time chart, hour by hour

GMTWEST
00:0001:00
01:0002:00
02:0003:00
03:0004:00
04:0005:00
05:0006:00
06:0007:00
07:0008:00
08:0009:00
09:0010:00
10:0011:00
11:0012:00
12:0013:00
13:0014:00
14:0015:00
15:0016:00
16:0017:00
17:0018:00
18:0019:00
19:0020:00
20:0021:00
21:0022:00
22:0023:00
23:0000:00 +1 day

Highlighted rows fall within 09:00–18:00 in both places: 8 shared working hours.

How many hours is GMT behind WEST?

As abbreviations, WEST is always 1 hour ahead of GMT: GMT is UTC+0 and WEST is UTC+1. To convert, add 1 hours.

Check which label you actually need: WEST (Western European Time is on WET today). A time written with an abbreviation that is not in use is usually meant as the local time, so convert between the places instead: right now WEST and GMT show the same time.

When the GMT to WEST time difference changes

For most of the year WEST is 1 hour ahead of GMT. From 25 October to 31 December 2026, WEST and GMT show the same time instead, because the two places change their clocks on different dates. Meetings booked by the usual gap land an hour off in those weeks.

DatesWEST vs GMTLength
25 October 2026 to 31 December 2026same time68 days
1 January 2027 to 27 March 2027same time86 days
28 March 2027 to 30 October 20271 hour ahead217 days
31 October 2027 to 31 December 2027same time62 days

Calling hours for GMT and WEST

  • When WEST is 1 hour ahead of GMT: 7 shared office hours, 09:00 to 16:00 in GMT (10:00 to 17:00 in WEST).
  • When WEST and GMT show the same time: 8 shared office hours, 09:00 to 17:00 in GMT (09:00 to 17:00 in WEST).

Frequently asked questions about GMT and WEST time

How many hours ahead is WEST of GMT?
WEST (UTC+1) is 1 hour ahead of GMT (UTC+0).
Does the time difference between GMT and WEST change?
Yes. It is usually 1 hour ahead, but changes when one side moves its clocks: same time from 25 October to 31 December 2026; same time from 1 January to 27 March 2027.