Timezone conversion
GMT to IST Time — Convert Greenwich Mean Time to India Standard Time
IST is currently 5 hours and 30 minutes ahead of GMT. This offset stays the same all year — neither zone shifts for daylight saving in a way that changes it.
IST is currently 5 hours and 30 minutes ahead of GMT.
Abbreviation disambiguation
GMT is equivalent to UTC for everyday use. In the UK it also refers to the winter (non-daylight-saving) time; in summer the UK moves to BST (UTC+1).
On Clockjumper, IST refers to India Standard Time (UTC+5:30). The same three letters are also used for Israel Standard Time (UTC+2) and Irish Standard Time (UTC+1) — check the city or UTC offset to be sure which is meant.
Interactive converter
Select a city to see its local time.
Select both cities to see the converted time.
Full GMT to IST conversion table
| GMT | IST |
|---|---|
| 12:00 AM | 5:30 AM |
| 1:00 AM | 6:30 AM |
| 2:00 AM | 7:30 AM |
| 3:00 AM | 8:30 AM |
| 4:00 AM | 9:30 AM |
| 5:00 AM | 10:30 AM |
| 6:00 AM | 11:30 AM |
| 7:00 AM | 12:30 PM |
| 8:00 AM | 1:30 PM |
| 9:00 AM | 2:30 PM |
| 10:00 AM | 3:30 PM |
| 11:00 AM | 4:30 PM |
| 12:00 PM | 5:30 PM |
| 1:00 PM | 6:30 PM |
| 2:00 PM | 7:30 PM |
| 3:00 PM | 8:30 PM |
| 4:00 PM | 9:30 PM |
| 5:00 PM | 10:30 PM |
| 6:00 PM | 11:30 PM |
| 7:00 PM | 12:30 AM(next day) |
| 8:00 PM | 1:30 AM(next day) |
| 9:00 PM | 2:30 AM(next day) |
| 10:00 PM | 3:30 AM(next day) |
| 11:00 PM | 4:30 AM(next day) |
Daylight saving and how the gap changes
The GMT → IST offset stays constant across the year — neither zone shifts for daylight saving in a way that changes this gap.
Frequently asked questions
- Is IST ahead of or behind GMT right now?
- IST is currently 5 hours and 30 minutes ahead of GMT.
- What is the current GMT to IST time difference?
- Right now the gap is 5 hours and 30 minutes — IST is 5 hours and 30 minutes ahead of GMT.
- Does the GMT → IST offset change during the year?
- No. Neither Greenwich Mean Time nor India Standard Time shifts for daylight saving in a way that changes this offset — the gap is the same all year.
- Does GMT observe daylight saving time?
- No — Greenwich Mean Time stays at a fixed UTC offset year-round.
- Does IST observe daylight saving time?
- No — India Standard Time stays at a fixed UTC offset year-round.
- What time is 3 AM GMT in IST?
- 3:00 AM GMT is 8:30 AM IST.
- What time is 8 AM GMT in IST?
- 8:00 AM GMT is 1:30 PM IST.
- What time is 9 AM GMT in IST?
- 9:00 AM GMT is 2:30 PM IST.
- What time is 10 AM GMT in IST?
- 10:00 AM GMT is 3:30 PM IST.
- What time is 11 AM GMT in IST?
- 11:00 AM GMT is 4:30 PM IST.
- What time is 12 PM (noon) GMT in IST?
- 12:00 PM GMT is 5:30 PM IST.
- What time is 2 PM GMT in IST?
- 2:00 PM GMT is 7:30 PM IST.
- What time is 3 PM GMT in IST?
- 3:00 PM GMT is 8:30 PM IST.
- What time is 4 PM GMT in IST?
- 4:00 PM GMT is 9:30 PM IST.
- What time is 5 PM GMT in IST?
- 5:00 PM GMT is 10:30 PM IST.
- What time is 9 PM GMT in IST?
- 9:00 PM GMT is 2:30 AM (next day) IST.
- What time is 10 PM GMT in IST?
- 10:00 PM GMT is 3:30 AM (next day) IST.
- When is the best time to schedule a call between GMT and IST?
- The working-hours overlap (09:00–17:00 in both zones) runs roughly 9:00 AM – 11:30 AM GMT (≈ 2 hours and 30 minutes). The midpoint of that window — 10:15 AM GMT, 3:45 PM IST — is the safest single slot to propose for a live call.
- What time zone does GMT refer to?
- GMT refers to Greenwich Mean Time (IANA: UTC).
- What time zone does IST refer to?
- IST refers to India Standard Time (IANA: Asia/Kolkata).
- Is GMT on this page the same as other zones that share the letters "GMT"?
- GMT is equivalent to UTC for everyday use. In the UK it also refers to the winter (non-daylight-saving) time; in summer the UK moves to BST (UTC+1).
- Is IST on this page the same as other zones that share the letters "IST"?
- On Clockjumper, IST refers to India Standard Time (UTC+5:30). The same three letters are also used for Israel Standard Time (UTC+2) and Irish Standard Time (UTC+1) — check the city or UTC offset to be sure which is meant.