Offset
The time difference between Ottawa and Zürich is 6 hours.
Ottawa (EDT) is behind Zürich (CEST).
EDT: UTC-4
CEST: UTC+2
Both zones are currently observing daylight saving time.
When to schedule
Business-hours overlap: 9 AM–11 AM in Ottawa (3 PM–5 PM in Zürich).
Both teams are in working hours during this window on weekdays.
Suggested time: 10:00 AM Ottawa (4:00 PM Zürich).
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.
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
Switzerland
- New Year's DayThu, Jan 1
- Ascension DayThu, May 14
- Swiss National DaySat, Aug 1
- Christmas DayFri, Dec 25
About these zones
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| Ottawa | Zürich | Day |
|---|---|---|
| 12:00 am | 6:00 am | Same day |
| 1:00 am | 7:00 am | Same day |
| 2:00 am | 8:00 am | Same day |
| 3:00 am | 9:00 am | Same day |
| 4:00 am | 10:00 am | Same day |
| 5:00 am | 11:00 am | Same day |
| 6:00 am | 12:00 pm | Same day |
| 7:00 am | 1:00 pm | Same day |
| 8:00 am | 2:00 pm | Same day |
| 9:00 am | 3:00 pm | Same day |
| 10:00 am | 4:00 pm | Same day |
| 11:00 am | 5:00 pm | Same day |
| 12:00 pm | 6:00 pm | Same day |
| 1:00 pm | 7:00 pm | Same day |
| 2:00 pm | 8:00 pm | Same day |
| 3:00 pm | 9:00 pm | Same day |
| 4:00 pm | 10:00 pm | Same day |
| 5:00 pm | 11:00 pm | Same day |
| 6:00 pm | 12:00 am | +1 day |
| 7:00 pm | 1:00 am | +1 day |
| 8:00 pm | 2:00 am | +1 day |
| 9:00 pm | 3:00 am | +1 day |
| 10:00 pm | 4:00 am | +1 day |
| 11:00 pm | 5:00 am | +1 day |
Daylight saving time
Both zones observe daylight saving time, but they transition on different dates.
Ottawa: next transition on Sunday, November 1, 2026.
Zürich: next transition on Sunday, October 25, 2026.
For approximately 7 days between transitions, the offset between Ottawa and Zürich 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
- 5:16 AM
- Sunset
- 8:49 PM
- Day length
- 15h 33m
- Sunrise
- 5:31 AM
- Sunset
- 9:21 PM
- Day length
- 15h 50m
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 Eastern Time
- YTZ
- YYZ
- YHU
- YMX
- YUL
- YND
- YOW
- YRO
Airports in Central European Time
- ZRH
- BRN
Related conversions
Common conversions
- What is 9:00 am Ottawa in Zürich?
- 9:00 am Ottawa is 3:00 pm Zürich.
- What is 12:00 pm Ottawa in Zürich?
- 12:00 pm Ottawa is 6:00 pm Zürich.
- What is 12:30 pm Ottawa in Zürich?
- 12:30 pm Ottawa is 6:30 pm Zürich.
- What is 2:00 pm Ottawa in Zürich?
- 2:00 pm Ottawa is 8:00 pm Zürich.
- What is 5:00 pm Ottawa in Zürich?
- 5:00 pm Ottawa is 11:00 pm Zürich.
- What is 11:30 pm Ottawa in Zürich?
- 11:30 pm Ottawa is 5:30 am Zürich, the next day.