GMT
UTC+0
Greenwich Mean Time
CST
UTC-6
Central Standard Time
Both GMT and CST observe DST — offset may shift ±1h during transitions
Greenwich Mean Time (GMT) is 6 hours behind Central Standard Time (CST). When it is noon in GMT, it is 6 AM in CST. This offset may change during Daylight Saving Time transitions.
Cities in CST
All 24 Hours — GMT to CST
Click any row to see the full detail page. Current hour in GMT is highlighted.
Best Meeting Times — GMT & CST
Recommended windows where both GMT and CST participants are within working hours (8 AM–6 PM).
Tip: When scheduling between GMT and CST, aim for the “Best” windows above. These times keep both parties within normal working hours, avoiding early-morning or late-evening fatigue. Note that both time zones observe Daylight Saving Time — the offset may shift ±1 hour around transition dates.
Related Time Zone Conversions
Frequently Asked Questions — GMT to CST
Greenwich Mean Time (GMT) is 6 hours behind Central Standard Time (CST). GMT is UTC+0 and CST is UTC-6. This offset may shift by ±1 hour during Daylight Saving Time transitions.
Live Now
GMT
UTC+1
19:00:12
Monday
CST
UTC-5
13:00:12
Monday
Right now, 7 PM GMT = 1 PM CST
Business Hours Quick Jump
Reverse Conversion
CST to GMT
Central Standard Time → Greenwich Mean Time
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