05:00 GMT to IST
Convert an exact time type it — no sliders
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Daylight saving right now
India Standard Time
Asia/Kolkata is currently on IST (UTC+05:30).
no clock change scheduled — this zone is fixed at UTC+05:30
India Standard Time is UTC+5:30 all year — no daylight saving, and a half-hour offset that trips up naive converters. One clock covers the whole country. Note IST is also Irish Standard Time and Israel Standard Time.
Greenwich Mean Time
Etc/GMT is on GMT (UTC+00:00).
no clock change scheduled — fixed at UTC+00:00
GMT is UTC+0 and never shifts. The UK observes GMT in winter only — in summer it is on BST (UTC+1), so "GMT" on a British invite dated in July usually means BST.
Best time to call green = 09:00–18:00 on both sides
4 overlapping working hours. The longest run is 09:00–13:00 GMT, which is 14:30–18:30 IST.
GMT to IST, hour by hour 13 August 2026 · every row is a permalink
| GMT | IST | 12-hour | Day | Permalink |
|---|---|---|---|---|
| 00:00 | 05:30 IST | 5:30 AM | same day | 00:00 → |
| 01:00 | 06:30 IST | 6:30 AM | same day | 01:00 → |
| 02:00 | 07:30 IST | 7:30 AM | same day | 02:00 → |
| 03:00 | 08:30 IST | 8:30 AM | same day | 03:00 → |
| 04:00 | 09:30 IST | 9:30 AM | same day | 04:00 → |
| 05:00 | 10:30 IST | 10:30 AM | same day | 05:00 → |
| 06:00 | 11:30 IST | 11:30 AM | same day | 06:00 → |
| 07:00 | 12:30 IST | 12:30 PM | same day | 07:00 → |
| 08:00 | 13:30 IST | 1:30 PM | same day | 08:00 → |
| 09:00 | 14:30 IST | 2:30 PM | same day | 09:00 → |
| 10:00 | 15:30 IST | 3:30 PM | same day | 10:00 → |
| 11:00 | 16:30 IST | 4:30 PM | same day | 11:00 → |
| 12:00 | 17:30 IST | 5:30 PM | same day | 12:00 → |
| 13:00 | 18:30 IST | 6:30 PM | same day | 13:00 → |
| 14:00 | 19:30 IST | 7:30 PM | same day | 14:00 → |
| 15:00 | 20:30 IST | 8:30 PM | same day | 15:00 → |
| 16:00 | 21:30 IST | 9:30 PM | same day | 16:00 → |
| 17:00 | 22:30 IST | 10:30 PM | same day | 17:00 → |
| 18:00 | 23:30 IST | 11:30 PM | same day | 18:00 → |
| 19:00 | 00:30 IST | 12:30 AM | next day | 19:00 → |
| 20:00 | 01:30 IST | 1:30 AM | next day | 20:00 → |
| 21:00 | 02:30 IST | 2:30 AM | next day | 21:00 → |
| 22:00 | 03:30 IST | 3:30 AM | next day | 22:00 → |
| 23:00 | 04:30 IST | 4:30 AM | next day | 23:00 → |