Bộ đổi GMT sang IST Convert GMT to IST instantly. This tool handles daylight saving time shifts dynamically, showing the correct local offset, live clocks, and meeting planners.
Local timezone calculator
Use this GMT to IST converter for instant, date-aware conversions with daylight saving time handling, live clocks, and meeting planner.
Converting time between GMT and IST requires understanding the active offsets of both regions. Depending on the time of year, one or both of these zones may observe daylight saving time, causing the difference to shift. For example, GMT uses the IANA zone UTC and IST uses the IANA zone Asia/Kolkata. Use the calculator above to find the exact time mapping for any calendar date.
Compare standard business hours and overlaps between GMT and IST.
| GMT Time | IST Time (Standard Offset) | IST Time (Daylight Offset) | Scheduling Status |
|---|---|---|---|
| 09:00 Uhr | 22:00 Uhr | 23:00 Uhr | Time shift gap |
| 13:00 Uhr | 02:00 Uhr | 03:00 Uhr | Out of hours |
| 17:00 Uhr | 06:00 Uhr | 07:00 Uhr | Early morning |
| GMT Time | IST Time | Offset |
|---|
Schedule calls and sync projects between GMT and IST.
Convert flight times and check-in hours between GMT and IST.
Publish live webinars or game times in both GMT and IST.
Understanding the base offset difference between GMT and IST.
How summer time transitions alter the time gap between GMT and IST.
Meeting coordination strategies to avoid date boundary issues between GMT and IST.
Select a date and time in the input fields above to convert between GMT and IST with automatic daylight saving calculations.
Yes. If either region observes daylight saving time, the offset gap will adjust accordingly.
The standard reference zone for GMT is UTC and for IST is Asia/Kolkata.
Time differences between GMT and IST are subject to seasonal rules. Always use a date-aware timezone calculator to confirm meeting and travel details.
Next Step: Use the GMT to IST converter above to plan your timezone transition.
