Clockjumper

Time difference

Ottawa to Washington DC Time Difference

Washington DC and Ottawa share the same time zone — when it's 12:00 PM in Ottawa, it's also 12:00 PM in Washington DC. (Ottawa (America/Toronto, EDT); Washington DC (America/New_York, EDT).) Below: live local times, the best hours for a call, a full conversion table, and exact daylight-saving dates.

Quick answer

Washington DC and Ottawa are in the same time zone, so there is no offset between them. The best window for a call is 9 AM–5 PM in Ottawa, which is 9 AM–5 PM in Washington DC — an 8-hour overlap inside 9 AM–5 PM on both sides. Ottawa and Washington DC 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 Ottawa, it's 9:00 AM in Washington DC.
  • When it's 9:00 AM in Washington DC, it's 9:00 AM in Ottawa.

Washington DC is currently in the same time zone as Ottawa.

Ottawa • EDT
4:38 PM
Sunday, Aug 23
Washington DC • EDT
4:38 PM
Sunday, Aug 23

Interactive converter

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12:00PM

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Best times to meet

The 9 AM – 5 PM business windows in Ottawa and Washington DC overlap for 8 hours. 9 AM–5 PM in Ottawa is 9 AM–5 PM in Washington DC. Aim somewhere in the middle of that window so neither side starts cold or finishes drained.

Quick conversion table

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

Daylight saving

On November 1, 2026, both Ottawa and Washington DC shift for daylight saving. After that, Washington DC will be the same time as Ottawa (currently the same time as Ottawa). The converter and the tables above always reflect the correct offset for the date you pick.

  • Ottawa is currently observing daylight saving time.
  • Washington DC is currently observing daylight saving time.

Frequently asked questions

Is Washington DC ahead of or behind Ottawa?
Washington DC is neither ahead of nor behind Ottawa — both cities share the same time zone.
Are Washington DC and Ottawa in the same time zone?
Washington DC and Ottawa share the same time zone.
What time is 9 AM in Ottawa in Washington DC?
9:00 AM in Ottawa is 9:00 AM in Washington DC.
What time is noon in Ottawa in Washington DC?
12:00 PM in Ottawa is 12:00 PM in Washington DC.
What time is 5 PM in Ottawa in Washington DC?
5:00 PM in Ottawa is 5:00 PM in Washington DC. Useful for end-of-day handoffs between the two offices.
What time is 3 PM in Ottawa in Washington DC?
3:00 PM in Ottawa is 3:00 PM in Washington DC.
Is Ottawa currently observing daylight saving time?
Ottawa is currently observing daylight saving time (summer time).
Is Washington DC currently observing daylight saving time?
Washington DC is currently observing daylight saving time (summer time).
Do Ottawa and Washington DC observe daylight saving?
On November 1, 2026, both Ottawa and Washington DC shift for daylight saving. After that, Washington DC will be the same time as Ottawa (currently the same time as Ottawa). The converter and the tables above always reflect the correct offset for the date you pick.
When is the best time to call Washington DC from Ottawa?
Aim for 9 AM–5 PM in Ottawa, which is 9 AM–5 PM in Washington DC.
When is the best time to call Ottawa from Washington DC?
Aim for 9 AM–5 PM in Washington DC, which is 9 AM–5 PM in Ottawa.
Ottawa (EDT) to Washington DC (EDT) — how do I convert quickly?
No math needed — both cities are in the same time zone. Or use the converter at the top of this page — it stays accurate through daylight-saving changes automatically.

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