Highlighted rows fall within 09:00–18:00 in both places: 9 shared working hours.
How many hours is CET ahead of WAT?
As abbreviations, WAT is always same time of CET: CET is UTC+1 and WAT is UTC+1. To convert, subtract 0 hours.
When the CET to WAT time difference changes
For most of the year WAT is 1 hour behind of CET. From 25 October to 31 December 2026, WAT and CET 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
WAT vs CET
Length
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 behind
217 days
31 October 2027 to 31 December 2027
same time
62 days
When CET and WAT are both at work
When WAT is 1 hour behind of CET: 7 shared office hours, 10:00 to 17:00 in CET (09:00 to 16:00 in WAT).
When WAT and CET show the same time: 8 shared office hours, 09:00 to 17:00 in CET (09:00 to 17:00 in WAT).
Frequently asked questions about CET and WAT time
How many hours ahead is WAT of CET?
WAT (UTC+1) is same time of CET (UTC+1).
Does the time difference between CET and WAT change?
Yes. It is usually 1 hour behind, 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.