GMT to UTC Time Converter
Greenwich Mean Time → Coordinated Universal Time
GMT
UTC+0
Greenwich Mean Time
UTC
UTC+0
Coordinated Universal Time
GMT observes DST — offset shifts ±1h during transitions
Greenwich Mean Time (GMT) is 0 hours behind Coordinated Universal Time (UTC). When it is noon in GMT, it is 12 PM in UTC. This offset may change during Daylight Saving Time transitions.
All 24 Hours — GMT to UTC
Click any row to see the full detail page. Current hour in GMT is highlighted.
Best Meeting Times — GMT & UTC
Recommended windows where both GMT and UTC participants are within working hours (8 AM–6 PM).
Tip: When scheduling between GMT and UTC, aim for the “Best” windows above. These times keep both parties within normal working hours, avoiding early-morning or late-evening fatigue. Note that one of these time zones observes Daylight Saving Time — the offset may shift ±1 hour around transition dates.
Related Time Zone Conversions
Frequently Asked Questions — GMT to UTC
Greenwich Mean Time (GMT) is 0 hours behind Coordinated Universal Time (UTC). GMT is UTC+0 and UTC is UTC+0. This offset may shift by ±1 hour during Daylight Saving Time transitions.
Live Now
GMT
UTC+0
05:01:23
Friday
UTC
UTC+0
05:01:23
Friday
Right now, 5 AM GMT = 5 AM UTC
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Reverse Conversion
UTC to GMT
Coordinated Universal Time → Greenwich Mean Time
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