Highlighted rows fall within 09:00–18:00 in both places: 2 shared working hours.
How many hours is CET behind SGT?
As abbreviations, SGT is always 7 hours ahead of CET: CET is UTC+1 and SGT is UTC+8. To convert, add 7 hours.
When the CET to SGT time difference changes
For most of the year SGT is 6 hours ahead of CET. From 25 October to 31 December 2026, SGT is 7 hours ahead of CET 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
SGT vs CET
Length
25 October 2026 to 31 December 2026
7 hours ahead
68 days
1 January 2027 to 27 March 2027
7 hours ahead
86 days
28 March 2027 to 30 October 2027
6 hours ahead
217 days
31 October 2027 to 31 December 2027
7 hours ahead
62 days
When CET and SGT are both at work
When SGT is 6 hours ahead of CET: 2 shared office hours, 09:00 to 11:00 in CET (15:00 to 17:00 in SGT).
When SGT is 7 hours ahead of CET: 1 shared office hour, 09:00 to 10:00 in CET (16:00 to 17:00 in SGT).
Frequently asked questions about CET and SGT time
How many hours ahead is SGT of CET?
SGT (UTC+8) is 7 hours ahead of CET (UTC+1).
Does the time difference between CET and SGT change?
Yes. It is usually 6 hours ahead, but changes when one side moves its clocks: 7 hours ahead from 25 October to 31 December 2026; 7 hours ahead from 1 January to 27 March 2027.