Toronto to SeaTac time converter
SeaTac is 3 hours behind Toronto. When it is 9:00 AM in Toronto, it is 6:00 AM in SeaTac.
4:42 PM in Toronto, Sunday, October 18, 2026
Toronto to SeaTac conversion table
Every hour of today in Toronto and the matching time in SeaTac. Light rows are typical working hours (9:00–18:00).
| Toronto | SeaTac |
|---|---|
| 12:00 AM | 9:00 PM−1 day |
| 1:00 AM | 10:00 PM−1 day |
| 2:00 AM | 11:00 PM−1 day |
| 3:00 AM | 12:00 AM |
| 4:00 AM | 1:00 AM |
| 5:00 AM | 2:00 AM |
| 6:00 AM | 3:00 AM |
| 7:00 AM | 4:00 AM |
| 8:00 AM | 5:00 AM |
| 9:00 AM | 6:00 AM |
| 10:00 AM | 7:00 AM |
| 11:00 AM | 8:00 AM |
| 12:00 PM | 9:00 AM |
| 1:00 PM | 10:00 AM |
| 2:00 PM | 11:00 AM |
| 3:00 PM | 12:00 PM |
| 4:00 PM | 1:00 PM |
| 5:00 PM | 2:00 PM |
| 6:00 PM | 3:00 PM |
| 7:00 PM | 4:00 PM |
| 8:00 PM | 5:00 PM |
| 9:00 PM | 6:00 PM |
| 10:00 PM | 7:00 PM |
| 11:00 PM | 8:00 PM |
Best time to call or meet
Both sides are at work from 12:00 PM – 6:00 PM in Toronto (9:00 AM – 3:00 PM in SeaTac).
Daylight saving time and the difference
The difference changes during the year because Toronto and SeaTac switch clocks on different dates:
- Oct 18, 2026 – Nov 1, 2026: -3h
- Nov 1, 2026 – Nov 1, 2026: -2h
- Nov 1, 2026 – Mar 14, 2027: -3h
- Mar 14, 2027 – Mar 14, 2027: -4h
- Mar 14, 2027 – Oct 18, 2027: -3h
Distance
Toronto and SeaTac are 3,321 km (2,064 miles) apart in a straight line.
More conversions
Questions and answers
What is the time difference between Toronto and SeaTac?
SeaTac is 3 hours behind Toronto.
What time is it in SeaTac when it is 9 AM in Toronto?
When it is 9:00 AM in Toronto, it is 6:00 AM in SeaTac.
When is the best time to call SeaTac from Toronto?
Both sides are at work from 12:00 PM – 6:00 PM in Toronto (9:00 AM – 3:00 PM in SeaTac).
Does the time difference between Toronto and SeaTac change?
Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.