The time difference between Seoul and Ottawa is 13 hours. When it is 12:00 noon in Seoul, it is 23:00 in Ottawa. Seoul uses the Asia/Seoul time zone (UTC+9), while Ottawa uses America/Toronto (UTC-4).
With a 13 hours gap, there is no standard business-hours overlap between Seoul and Ottawa. One party will need to adjust their schedule. Early mornings in Seoul or late evenings in Ottawa tend to be the most practical compromise.
Use this table to quickly convert any hour from Seoul time to Ottawa time. Rows highlighted in green indicate overlapping business hours in both cities.
| Seoul | Ottawa | |
|---|---|---|
| 00:00 | 11:00 (-1 day) | Night |
| 01:00 | 12:00 (-1 day) | Night |
| 02:00 | 13:00 (-1 day) | Night |
| 03:00 | 14:00 (-1 day) | Night |
| 04:00 | 15:00 (-1 day) | Night |
| 05:00 | 16:00 (-1 day) | Night |
| 06:00 | 17:00 (-1 day) | |
| 07:00 | 18:00 (-1 day) | |
| 08:00 | 19:00 (-1 day) | |
| 09:00 | 20:00 (-1 day) | |
| 10:00 | 21:00 (-1 day) | |
| 11:00 | 22:00 (-1 day) | |
| 12:00 | 23:00 (-1 day) | |
| 13:00 | 00:00 | |
| 14:00 | 01:00 | |
| 15:00 | 02:00 | |
| 16:00 | 03:00 | |
| 17:00 | 04:00 | |
| 18:00 | 05:00 | |
| 19:00 | 06:00 | |
| 20:00 | 07:00 | |
| 21:00 | 08:00 | |
| 22:00 | 09:00 | Night |
| 23:00 | 10:00 | Night |
Ottawa is currently observing daylight saving time, while Seoul is on standard time. When Ottawa switches back to standard time, the difference between these two cities will shift by 1 hour.
The time difference is 13 hours. Ottawa is 13 hours behind Seoul.
Yes. One of these cities observes DST while the other does not, so the difference shifts by 1 hour when DST begins or ends.
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.
Subtract 13 hours from Seoul time to get Ottawa 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.