The time difference between Ottawa and Singapore is 13 hours. When it is 12:00 noon in Ottawa, it is 01:00 in Singapore. Ottawa uses the America/Toronto time zone (UTC-5), while Singapore uses Asia/Singapore (UTC+8).
With a 13 hours gap, there is no standard business-hours overlap between Ottawa and Singapore. One party will need to adjust their schedule. Early mornings in Singapore or late evenings in Ottawa tend to be the most practical compromise.
Use this table to quickly convert any hour from Ottawa time to Singapore time. Rows highlighted in green indicate overlapping business hours in both cities.
| Ottawa | Singapore | |
|---|---|---|
| 00:00 | 13:00 | Night |
| 01:00 | 14:00 | Night |
| 02:00 | 15:00 | Night |
| 03:00 | 16:00 | Night |
| 04:00 | 17:00 | Night |
| 05:00 | 18:00 | Night |
| 06:00 | 19:00 | |
| 07:00 | 20:00 | |
| 08:00 | 21:00 | |
| 09:00 | 22:00 | |
| 10:00 | 23:00 | |
| 11:00 | 00:00 (+1 day) | |
| 12:00 | 01:00 (+1 day) | |
| 13:00 | 02:00 (+1 day) | |
| 14:00 | 03:00 (+1 day) | |
| 15:00 | 04:00 (+1 day) | |
| 16:00 | 05:00 (+1 day) | |
| 17:00 | 06:00 (+1 day) | |
| 18:00 | 07:00 (+1 day) | |
| 19:00 | 08:00 (+1 day) | |
| 20:00 | 09:00 (+1 day) | |
| 21:00 | 10:00 (+1 day) | |
| 22:00 | 11:00 (+1 day) | Night |
| 23:00 | 12:00 (+1 day) | Night |
Neither Ottawa nor Singapore is currently observing daylight saving time. If either city observes DST, the time difference will change by 1 hour when DST begins or ends. Always double-check before scheduling across these time zones during March–April and October–November.
The time difference is 13 hours. Singapore is 13 hours ahead of Ottawa.
It can. If either Ottawa or Singapore observes daylight saving time, the gap will shift by 1 hour during the transition periods (typically March–April and October–November).
There is no ideal window during standard business hours. Consider scheduling at the edges — early morning for the city that is ahead and late afternoon for the city that is behind.
Add 13 hours to Ottawa time to get Singapore time. Use the hour-by-hour table above for a quick reference.
For sunrise and sunset data, visit TheSunsetTimes.com. For detailed DST schedules, see DaylightSavingTime.info.