🇬🇧GMT→🇮🇳IST
GMT to IST Timezone Converter
Greenwich Mean Time (UTC+0) is 5.5 hours behind India Standard Time (UTC+5:30). 4 hours of standard working-hours overlap per day.
GMT
UTC+0
Greenwich Mean Time
Difference
5.5h
GMT is 5.5h behind
IST
UTC+5:30
India Standard Time
GMT Working Hours in IST
Standard working hours (9 am – 6 pm) in GMT and the equivalent time.
| 🇬🇧 London (GMT) | 🇮🇳 Mumbai (IST) | Status |
|---|---|---|
| 9:00 am | 2.5:00 pm | Working Hours |
| 10:00 am | 3.5:00 pm | Working Hours |
| 11:00 am | 4.5:00 pm | Working Hours |
| 12:00 pm | 5.5:00 pm | Working Hours |
| 1:00 pm | 6.5:00 pm | Stretch |
| 2:00 pm | 7.5:00 pm | Stretch |
| 3:00 pm | 8.5:00 pm | Stretch |
| 4:00 pm | 9.5:00 pm | Stretch |
| 5:00 pm | 10.5:00 pm | Off hours |
| 6:00 pm | 11.5:00 pm | Off hours |
Frequently Asked Questions
What is the difference between GMT and IST?
GMT is UTC+0 and IST is UTC+5:30. The difference is 5.5 hours.
Does GMT observe daylight saving time?
Some timezone abbreviations like GMT refer to standard time only. During daylight saving periods, the actual offset may change by 1 hour. The Timezone Meeting Planner handles DST automatically using your browser's timezone data.
What is the best meeting time for GMT and IST?
There are 4 hours of overlap between standard working hours in both zones. Open the planner to see the exact window visually.