18:00 UTC to IST
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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.
Coordinated Universal Time
UTC is on UTC (UTC+00:00).
no clock change scheduled — fixed at UTC+00:00
UTC is the reference clock every other offset is quoted against. It has no daylight saving and never shifts.
Best time to call green = 09:00–18:00 on both sides
4 overlapping working hours. The longest run is 09:00–13:00 UTC, which is 14:30–18:30 IST.
UTC to IST, hour by hour 13 August 2026 · every row is a permalink
| UTC | 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 → |