Highlighted rows fall within 09:00–18:00 in both places: 8 shared working hours.
How many hours is UTC behind WEST?
As abbreviations, WEST is always 1 hour ahead of UTC: UTC is UTC+0 and WEST is UTC+1. To convert, add 1 hours.
When the UTC to WEST time difference changes
For most of the year WEST is 1 hour ahead of UTC. From 25 October to 31 December 2026, WEST and UTC 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.
Dates
WEST vs UTC
Length
29 March 2026 to 24 October 2026
1 hour ahead
210 days
25 October 2026 to 31 December 2026
same time
68 days
1 January 2027 to 27 March 2027
same time
86 days
28 March 2027 to 30 October 2027
1 hour ahead
217 days
31 October 2027 to 31 December 2027
same time
62 days
Calling hours for UTC and WEST
When WEST is 1 hour ahead of UTC: 7 shared office hours, 09:00 to 16:00 in UTC (10:00 to 17:00 in WEST).
When WEST and UTC show the same time: 8 shared office hours, 09:00 to 17:00 in UTC (09:00 to 17:00 in WEST).
Frequently asked questions about UTC and WEST time
How many hours ahead is WEST of UTC?
WEST (UTC+1) is 1 hour ahead of UTC (UTC+0).
Does the time difference between UTC 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.