4 AM GMT to IST
Greenwich Mean Time → India Standard Time
Partial overlap
GMT
4 AM
UTC+1
=
IST
8:30 AM
UTC+5:30
4 AM GMT (Greenwich Mean Time) equals 8:30 AM IST (India Standard Time). This is a common time for meetings across time zones.
Live — GMT
19:21:52
Tuesday, May 12
UTC+1
DST activeLive — IST
23:51:52
Tuesday, May 12
UTC+5:30
Daylight Saving Time (DST)
- GMT (Greenwich Mean Time) observes DST — currently active (clocks are +1h ahead).
- DST transitions may shift this offset by ±1 hour twice per year.
IST
- Full name
- India Standard Time
- UTC offset
- UTC+5:30
- DST
- Not observed
- Region
- South Asia
24-Hour Comparison — GMT to IST
Click any row to jump to that hour's page.
12 AM6 AM12 PM6 PM11 PM
GMTISTDayMeeting
12 AM
4:30 AM
–
Off hours
1 AM
5:30 AM
–
Off hours
2 AM
6:30 AM
–
Off hours
3 AM
7:30 AM
–
Off hours
4 AMthis
8:30 AM
–
Early/Late
5 AM
9:30 AM
–
Early/Late
6 AM
10:30 AM
–
Early/Late
7 AM
11:30 AM
–
Early/Late
8 AM
12:30 PM
–
Good
9 AM
1:30 PM
–
Good
10 AM
2:30 PM
–
Good
11 AM
3:30 PM
–
Good
12 PM
4:30 PM
–
Good
1 PM
5:30 PM
–
Good
2 PM
6:30 PM
–
Good
3 PM
7:30 PM
–
Early/Late
4 PM
8:30 PM
–
Early/Late
5 PM
9:30 PM
–
Early/Late
6 PM
10:30 PM
–
Early/Late
7 PM
11:30 PM
–
Off hours
8 PM
12:30 AM
+1d
Off hours
9 PM
1:30 AM
+1d
Off hours
10 PM
2:30 AM
+1d
Off hours
11 PM
3:30 AM
+1d
Off hours
Green = business hours overlap · Amber = partial · Red = off hours
All Hours — GMT to IST
Hub page →GMT ↔ IST Overview
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