Clockjumper

Time difference

Seattle to Toronto Time Difference

Toronto is 3 hours ahead of Seattle — when it's 12:00 PM in Seattle, it's 3:00 PM in Toronto. (Seattle (America/Los_Angeles, PDT); Toronto (America/Toronto, EDT).) Below: live local times, the best hours for a call, a full conversion table, and exact daylight-saving dates.

Quick answer

Toronto is 3 hours ahead of Seattle. The best window for a call is 9 AM–2 PM in Seattle, which is 12 PM–5 PM in Toronto — a 5-hour overlap inside 9 AM–5 PM on both sides. Seattle and Toronto change their clocks together (or don't change at all), so the time difference between them stays the same all year.

  • When it's 9:00 AM in Seattle, it's 12:00 PM in Toronto.
  • When it's 9:00 AM in Toronto, it's 6:00 AM in Seattle.

Toronto is currently 3 hours ahead of Seattle.

SeattlePDT
1:36 PM
Sunday, Aug 23
TorontoEDT
4:36 PM
Sunday, Aug 23

Interactive converter

From

12:00PM

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Best times to meet

The 9 AM – 5 PM business windows in Seattle and Toronto overlap for 5 hours. 9 AM2 PM in Seattle is 12 PM5 PM in Toronto. Aim somewhere in the middle of that window so neither side starts cold or finishes drained.

Quick conversion table

SeattleToronto
12 AM3:00 AM
1 AM4:00 AM
2 AM5:00 AM
3 AM6:00 AM
4 AM7:00 AM
5 AM8:00 AM
6 AM9:00 AM
7 AM10:00 AM
8 AM11:00 AM
9 AM12:00 PM
10 AM1:00 PM
11 AM2:00 PM
12 PM3:00 PM
1 PM4:00 PM
2 PM5:00 PM
3 PM6:00 PM
4 PM7:00 PM
5 PM8:00 PM
6 PM9:00 PM
7 PM10:00 PM
8 PM11:00 PM
9 PM12:00 AM (next day)
10 PM1:00 AM (next day)
11 PM2:00 AM (next day)

Daylight saving

On November 1, 2026, both Seattle and Toronto shift for daylight saving. After that, Toronto will be 3 hours ahead of Seattle (currently 3 hours ahead of Seattle). The converter and the tables above always reflect the correct offset for the date you pick.

  • Seattle is currently observing daylight saving time.
  • Toronto is currently observing daylight saving time.

Frequently asked questions

Is Toronto ahead of or behind Seattle?
Toronto is 3 hours ahead of Seattle.
How many hours ahead of Seattle is Toronto?
Toronto is 3 hours ahead of Seattle.
What time is 9 AM in Seattle in Toronto?
9:00 AM in Seattle is 12:00 PM in Toronto.
What time is noon in Seattle in Toronto?
12:00 PM in Seattle is 3:00 PM in Toronto.
What time is 5 PM in Seattle in Toronto?
5:00 PM in Seattle is 8:00 PM in Toronto. Useful for end-of-day handoffs between the two offices.
What time is 3 PM in Seattle in Toronto?
3:00 PM in Seattle is 6:00 PM in Toronto.
Is Seattle currently observing daylight saving time?
Seattle is currently observing daylight saving time (summer time).
Is Toronto currently observing daylight saving time?
Toronto is currently observing daylight saving time (summer time).
Do Seattle and Toronto observe daylight saving?
On November 1, 2026, both Seattle and Toronto shift for daylight saving. After that, Toronto will be 3 hours ahead of Seattle (currently 3 hours ahead of Seattle). The converter and the tables above always reflect the correct offset for the date you pick.
When is the best time to call Toronto from Seattle?
Aim for 9 AM–2 PM in Seattle, which is 12 PM–5 PM in Toronto.
When is the best time to call Seattle from Toronto?
Aim for 12 PM–5 PM in Toronto, which is 9 AM–2 PM in Seattle.
Seattle (PDT) to Toronto (EDT) — how do I convert quickly?
Add 3 hours to Seattle local time to get Toronto local time. Or use the converter at the top of this page — it stays accurate through daylight-saving changes automatically.