Offset
The time difference between San Francisco and Ottawa is 3 hours.
San Francisco (PDT) is behind Ottawa (EDT).
PDT: UTC-7
EDT: UTC-4
Both zones are currently observing daylight saving time.
When to schedule
Business-hours overlap: 9 AM–2 PM in San Francisco (12 PM–5 PM in Ottawa).
Both teams are in working hours during this window on weekdays.
Suggested time: 11:00 AM San Francisco (2:00 PM 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.
United States
- New Year's DayThu, Jan 1
- Martin Luther King, Jr. DayMon, Jan 19
- Presidents DayMon, Feb 16
- Memorial DayMon, May 25
- Juneteenth National Independence DayFri, Jun 19
- Independence DayFri, Jul 3
- Labour DayMon, Sep 7
- Columbus DayMon, Oct 12
- Veterans DayWed, Nov 11
- Thanksgiving DayThu, Nov 26
- 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
San Francisco uses Pacific Time (PST, or PDT). To call United States, dial +1.
Ottawa uses Eastern Time (EST, or EDT). To call Canada, dial +1.
Ottawa is approximately 2,450 miles northeast of San Francisco.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| San Francisco | Ottawa | Day |
|---|---|---|
| 12:00 am | 3:00 am | Same day |
| 1:00 am | 4:00 am | Same day |
| 2:00 am | 5:00 am | Same day |
| 3:00 am | 6:00 am | Same day |
| 4:00 am | 7:00 am | Same day |
| 5:00 am | 8:00 am | Same day |
| 6:00 am | 9:00 am | Same day |
| 7:00 am | 10:00 am | Same day |
| 8:00 am | 11:00 am | Same day |
| 9:00 am | 12:00 pm | Same day |
| 10:00 am | 1:00 pm | Same day |
| 11:00 am | 2:00 pm | Same day |
| 12:00 pm | 3:00 pm | Same day |
| 1:00 pm | 4:00 pm | Same day |
| 2:00 pm | 5:00 pm | Same day |
| 3:00 pm | 6:00 pm | Same day |
| 4:00 pm | 7:00 pm | Same day |
| 5:00 pm | 8:00 pm | Same day |
| 6:00 pm | 9:00 pm | Same day |
| 7:00 pm | 10:00 pm | Same day |
| 8:00 pm | 11:00 pm | Same day |
| 9:00 pm | 12:00 am | +1 day |
| 10:00 pm | 1:00 am | +1 day |
| 11:00 pm | 2:00 am | +1 day |
Daylight saving time
Both San Francisco and Ottawa observe daylight saving time and transition on the same date.
Next transition: Sunday, November 1, 2026 (fall back).
Because they transition simultaneously, the offset between these zones remains constant year-round.
See the daylight saving time page for transition dates across every time zone.
Daylight today
- Sunrise
- 5:49 AM
- Sunset
- 8:30 PM
- Day length
- 14h 42m
- Sunrise
- 5:16 AM
- Sunset
- 8:49 PM
- Day length
- 15h 33m
Daylight overlap: 12h — 5:49 AM–5:49 PM in San Francisco (8:49 AM–8:49 PM in Ottawa). Both locations are in daylight during this window.
Cities in these zones
Other cities in Pacific Time
Other cities in Eastern Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in Pacific Time
- BUR
- HHR
- LAX
- LGB
- SNA
- CLD
- SAN
- TIJ
- OAK
- SFO
Airports in Eastern Time
- YTZ
- YYZ
- YHU
- YMX
- YUL
- YND
- YOW
- YRO
Related conversions
Common conversions
- What is 9:00 am San Francisco in Ottawa?
- 9:00 am San Francisco is 12:00 pm Ottawa.
- What is 12:00 pm San Francisco in Ottawa?
- 12:00 pm San Francisco is 3:00 pm Ottawa.
- What is 12:30 pm San Francisco in Ottawa?
- 12:30 pm San Francisco is 3:30 pm Ottawa.
- What is 2:00 pm San Francisco in Ottawa?
- 2:00 pm San Francisco is 5:00 pm Ottawa.
- What is 5:00 pm San Francisco in Ottawa?
- 5:00 pm San Francisco is 8:00 pm Ottawa.
- What is 11:30 pm San Francisco in Ottawa?
- 11:30 pm San Francisco is 2:30 am Ottawa, the next day.