Ottawa to IST time
When it is 2:41 AM in Ottawa (GMT-4), it is 12:11 PM in IST (GMT+5:30).
Ottawa is usually 9 hours 30 minutes behind IST. From 1 November 2026 to 14 March 2027 the gap widens to 10 hours 30 minutes. From 7 November 2027 to 12 March 2028 the gap widens to 10 hours 30 minutes.
Good meeting window (08:00-18:00 both sides): 08:00-08:30 in Ottawa = 17:30-18:00 in IST.
Ottawa to IST
| Ottawa | IST |
|---|---|
| 00:00 | 09:30 |
| 01:00 | 10:30 |
| 02:00 | 11:30 |
| 03:00 | 12:30 |
| 04:00 | 13:30 |
| 05:00 | 14:30 |
| 06:00 | 15:30 |
| 07:00 | 16:30 |
| 08:00 | 17:30 |
| 09:00 | 18:30 |
| 10:00 | 19:30 |
| 11:00 | 20:30 |
| 12:00 | 21:30 |
| 13:00 | 22:30 |
| 14:00 | 23:30 |
| 15:00 | 00:30 (next day) |
| 16:00 | 01:30 (next day) |
| 17:00 | 02:30 (next day) |
| 18:00 | 03:30 (next day) |
| 19:00 | 04:30 (next day) |
| 20:00 | 05:30 (next day) |
| 21:00 | 06:30 (next day) |
| 22:00 | 07:30 (next day) |
| 23:00 | 08:30 (next day) |
IST to Ottawa
| IST | Ottawa |
|---|---|
| 00:00 | 14:30 (prev day) |
| 01:00 | 15:30 (prev day) |
| 02:00 | 16:30 (prev day) |
| 03:00 | 17:30 (prev day) |
| 04:00 | 18:30 (prev day) |
| 05:00 | 19:30 (prev day) |
| 06:00 | 20:30 (prev day) |
| 07:00 | 21:30 (prev day) |
| 08:00 | 22:30 (prev day) |
| 09:00 | 23:30 (prev day) |
| 10:00 | 00:30 |
| 11:00 | 01:30 |
| 12:00 | 02:30 |
| 13:00 | 03:30 |
| 14:00 | 04:30 |
| 15:00 | 05:30 |
| 16:00 | 06:30 |
| 17:00 | 07:30 |
| 18:00 | 08:30 |
| 19:00 | 09:30 |
| 20:00 | 10:30 |
| 21:00 | 11:30 |
| 22:00 | 12:30 |
| 23:00 | 13:30 |
Open Ottawa and IST in the live time-zone app
Time zone rules: IANA tzdb 2026b (pages); the live app uses your device's own rules. About accuracy