Offset
The time difference between Zürich and Ottawa is 6 hours.
Zürich (CEST) is ahead of Ottawa (EDT).
CEST: UTC+2
EDT: UTC-4
Both zones are currently observing daylight saving time.
When to schedule
Business-hours overlap: 3 PM–5 PM in Zürich (9 AM–11 AM in Ottawa).
Both teams are in working hours during this window on weekdays.
Suggested time: 4:00 PM Zürich (10:00 AM Ottawa).
This window may shift by an hour during daylight saving time.
Public holidays in 2026
National public holidays can affect availability — a counterpart is likely off work on their own holidays, so it's worth planning meetings and deadlines around them.
Switzerland
- New Year's DayThu, Jan 1
- Ascension DayThu, May 14
- Swiss National DaySat, Aug 1
- Christmas DayFri, Dec 25
Canada
- New Year's DayThu, Jan 1
- Good FridayFri, Apr 3
- Victoria DayMon, May 18
- Canada DayWed, Jul 1
- Labour DayMon, Sep 7
- National Day for Truth and ReconciliationWed, Sep 30
- ThanksgivingMon, Oct 12
- Christmas DayFri, Dec 25
About these zones
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| Zürich | Ottawa | Day |
|---|---|---|
| 12:00 am | 6:00 pm | -1 day |
| 1:00 am | 7:00 pm | -1 day |
| 2:00 am | 8:00 pm | -1 day |
| 3:00 am | 9:00 pm | -1 day |
| 4:00 am | 10:00 pm | -1 day |
| 5:00 am | 11:00 pm | -1 day |
| 6:00 am | 12:00 am | Same day |
| 7:00 am | 1:00 am | Same day |
| 8:00 am | 2:00 am | Same day |
| 9:00 am | 3:00 am | Same day |
| 10:00 am | 4:00 am | Same day |
| 11:00 am | 5:00 am | Same day |
| 12:00 pm | 6:00 am | Same day |
| 1:00 pm | 7:00 am | Same day |
| 2:00 pm | 8:00 am | Same day |
| 3:00 pm | 9:00 am | Same day |
| 4:00 pm | 10:00 am | Same day |
| 5:00 pm | 11:00 am | Same day |
| 6:00 pm | 12:00 pm | Same day |
| 7:00 pm | 1:00 pm | Same day |
| 8:00 pm | 2:00 pm | Same day |
| 9:00 pm | 3:00 pm | Same day |
| 10:00 pm | 4:00 pm | Same day |
| 11:00 pm | 5:00 pm | Same day |
Daylight saving time
Both zones observe daylight saving time, but they transition on different dates.
Zürich: next transition on Sunday, October 25, 2026.
Ottawa: next transition on Sunday, November 1, 2026.
For approximately 7 days between transitions, the offset between Zürich and Ottawa differs from its typical value. Recurring meetings during this window will shift by one hour.
See the daylight saving time page for transition dates across every time zone.
Daylight today
- Sunrise
- 5:31 AM
- Sunset
- 9:21 PM
- Day length
- 15h 50m
- Sunrise
- 5:16 AM
- Sunset
- 8:49 PM
- Day length
- 15h 33m
Cities in these zones
Other cities in Eastern Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in Central European Time
- ZRH
- BRN
Airports in Eastern Time
- YTZ
- YYZ
- YHU
- YMX
- YUL
- YND
- YOW
- YRO
Related conversions
Common conversions
- What is 9:00 am Zürich in Ottawa?
- 9:00 am Zürich is 3:00 am Ottawa.
- What is 12:00 pm Zürich in Ottawa?
- 12:00 pm Zürich is 6:00 am Ottawa.
- What is 12:30 pm Zürich in Ottawa?
- 12:30 pm Zürich is 6:30 am Ottawa.
- What is 2:00 pm Zürich in Ottawa?
- 2:00 pm Zürich is 8:00 am Ottawa.
- What is 5:00 pm Zürich in Ottawa?
- 5:00 pm Zürich is 11:00 am Ottawa.
- What is 11:30 pm Zürich in Ottawa?
- 11:30 pm Zürich is 5:30 pm Ottawa.