1 AM GMT to CST
Greenwich Mean Time → Central Standard Time
Outside business hours
GMT
1 AM
UTC+0
=
CST
8 PM
UTC-5
(-1 day)1 AM GMT (Greenwich Mean Time) equals 8 PM CST (previous day) (Central Standard Time). This falls outside typical business hours for one or both regions.
Live — GMT
11:18:38
Saturday, March 21
UTC+0
Live — CST
06:18:38
Saturday, March 21
UTC-5
DST activeDaylight Saving Time (DST)
- GMT (Greenwich Mean Time) observes DST — currently not active (standard time).
- CST (Central Standard Time) observes DST — currently active (clocks are +1h ahead).
- 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
24-Hour Comparison — GMT to CST
Click any row to jump to that hour's page.
12 AM6 AM12 PM6 PM11 PM
GMTCSTDayMeeting
12 AM
7 PM
-1d
Off hours
1 AMthis
8 PM
-1d
Off hours
2 AM
9 PM
-1d
Off hours
3 AM
10 PM
-1d
Off hours
4 AM
11 PM
-1d
Off hours
5 AM
12 AM
–
Off hours
6 AM
1 AM
–
Off hours
7 AM
2 AM
–
Off hours
8 AM
3 AM
–
Early/Late
9 AM
4 AM
–
Early/Late
10 AM
5 AM
–
Early/Late
11 AM
6 AM
–
Early/Late
12 PM
7 AM
–
Early/Late
1 PM
8 AM
–
Good
2 PM
9 AM
–
Good
3 PM
10 AM
–
Good
4 PM
11 AM
–
Good
5 PM
12 PM
–
Good
6 PM
1 PM
–
Good
7 PM
2 PM
–
Early/Late
8 PM
3 PM
–
Early/Late
9 PM
4 PM
–
Early/Late
10 PM
5 PM
–
Early/Late
11 PM
6 PM
–
Early/Late
Green = business hours overlap · Amber = partial · Red = off hours
All Hours — GMT to CST
Hub page →GMT ↔ CST Overview
Full 24-hour chart, live clocks, FAQ
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