GMT
UTC+0
Greenwich Mean Time
BRT
UTC-3
Brasília Time
GMT observes DST — offset shifts ±1h during transitions
Greenwich Mean Time (GMT) is 3 hours behind Brasília Time (BRT). When it is noon in GMT, it is 8 AM in BRT. This offset may change during Daylight Saving Time transitions.
Cities in BRT
All 24 Hours — GMT to BRT
Click any row to see the full detail page. Current hour in GMT is highlighted.
Best Meeting Times — GMT & BRT
Recommended windows where both GMT and BRT participants are within working hours (8 AM–6 PM).
Tip: When scheduling between GMT and BRT, 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 BRT
Greenwich Mean Time (GMT) is 3 hours behind Brasília Time (BRT). GMT is UTC+0 and BRT is UTC-3. This offset may shift by ±1 hour during Daylight Saving Time transitions.
Live Now
GMT
UTC+1
08:53:43
Wednesday
BRT
UTC-3
04:53:43
Wednesday
Right now, 8 AM GMT = 4 AM BRT
Business Hours Quick Jump
Reverse Conversion
BRT to GMT
Brasília Time → Greenwich Mean Time
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