1 AM IST to GMT
India Standard Time → Greenwich Mean Time
Outside business hours
IST
1 AM
UTC+5:30
=
GMT
8:30 PM
UTC+1
(-1 day)1 AM IST (India Standard Time) equals 8:30 PM GMT (previous day) (Greenwich Mean Time). This falls outside typical business hours for one or both regions.
Live — IST
16:36:53
Tuesday, May 12
UTC+5:30
Live — GMT
12:06:53
Tuesday, May 12
UTC+1
DST activeDaylight 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 — IST to GMT
Click any row to jump to that hour's page.
12 AM6 AM12 PM6 PM11 PM
ISTGMTDayMeeting
12 AM
7:30 PM
-1d
Off hours
1 AMthis
8:30 PM
-1d
Off hours
2 AM
9:30 PM
-1d
Off hours
3 AM
10:30 PM
-1d
Off hours
4 AM
11:30 PM
-1d
Off hours
5 AM
12:30 AM
–
Off hours
6 AM
1:30 AM
–
Off hours
7 AM
2:30 AM
–
Off hours
8 AM
3:30 AM
–
Early/Late
9 AM
4:30 AM
–
Early/Late
10 AM
5:30 AM
–
Early/Late
11 AM
6:30 AM
–
Early/Late
12 PM
7:30 AM
–
Early/Late
1 PM
8:30 AM
–
Good
2 PM
9:30 AM
–
Good
3 PM
10:30 AM
–
Good
4 PM
11:30 AM
–
Good
5 PM
12:30 PM
–
Good
6 PM
1:30 PM
–
Good
7 PM
2:30 PM
–
Early/Late
8 PM
3:30 PM
–
Early/Late
9 PM
4:30 PM
–
Early/Late
10 PM
5:30 PM
–
Early/Late
11 PM
6:30 PM
–
Early/Late
Green = business hours overlap · Amber = partial · Red = off hours
All Hours — IST to GMT
Hub page →IST ↔ GMT Overview
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