12 AM GMT to CEST
Greenwich Mean Time → Central European Summer Time
Outside business hours
GMT
12 AM
UTC+0
=
CEST
1 AM
UTC+1
12 AM GMT (Greenwich Mean Time) equals 1 AM CEST (Central European Summer Time). This falls outside typical business hours for one or both regions.
Live — GMT
21:17:15
Friday, March 20
UTC+0
Live — CEST
22:17:15
Friday, March 20
UTC+1
Daylight Saving Time (DST)
- GMT (Greenwich Mean Time) observes DST — currently not active (standard time).
- DST transitions may shift this offset by ±1 hour twice per year.
GMT
- Full name
- Greenwich Mean Time
- UTC offset
- UTC+0
- DST
- Observed (inactive)
- Region
- Europe/Africa
CEST
- Full name
- Central European Summer Time
- UTC offset
- UTC+1
- DST
- Not observed
- Region
- Europe
24-Hour Comparison — GMT to CEST
Click any row to jump to that hour's page.
12 AM6 AM12 PM6 PM11 PM
GMTCESTDayMeeting
12 AMthis
1 AM
–
Off hours
1 AM
2 AM
–
Off hours
2 AM
3 AM
–
Off hours
3 AM
4 AM
–
Off hours
4 AM
5 AM
–
Off hours
5 AM
6 AM
–
Off hours
6 AM
7 AM
–
Off hours
7 AM
8 AM
–
Early/Late
8 AM
9 AM
–
Good
9 AM
10 AM
–
Good
10 AM
11 AM
–
Good
11 AM
12 PM
–
Good
12 PM
1 PM
–
Good
1 PM
2 PM
–
Good
2 PM
3 PM
–
Good
3 PM
4 PM
–
Good
4 PM
5 PM
–
Good
5 PM
6 PM
–
Good
6 PM
7 PM
–
Early/Late
7 PM
8 PM
–
Off hours
8 PM
9 PM
–
Off hours
9 PM
10 PM
–
Off hours
10 PM
11 PM
–
Off hours
11 PM
12 AM
+1d
Off hours
Green = business hours overlap · Amber = partial · Red = off hours
All Hours — GMT to CEST
Hub page →GMT ↔ CEST Overview
Full 24-hour chart, live clocks, FAQ