Time Difference Between San Francisco and Toronto

The time difference between San Francisco and Toronto is 3 hours. When it is 12:00 noon in San Francisco, it is 15:00 in Toronto. San Francisco uses the America/Los_Angeles time zone (UTC-7), while Toronto uses America/Toronto (UTC-4).

Toronto is 3 hours ahead of San Francisco — 3 hours
San Francisco, United States
15:23:45
Thursday, March 26, 2026
UTC-7 · PDT (DST)
Toronto, Canada
18:23:45
Thursday, March 26, 2026
UTC-4 · EDT (DST)

Time Zone Details: San Francisco vs Toronto

Detail San Francisco Toronto
Time Zone IDAmerica/Los_AngelesAmerica/Toronto
UTC OffsetUTC-7UTC-4
AbbreviationPDTEDT
DST ActiveYes — currently observingYes — currently observing
CountryUnited StatesCanada
RegionNorth AmericaNorth America

Best Time to Schedule a Call

There are 5 overlapping business hours between San Francisco and Toronto (assuming 9:00–17:00 in each city). The ideal window for calls and meetings is:

09:00–14:00 in San Francisco  =  12:00–17:00 in Toronto

Hour-by-Hour Time Conversion

Use this table to quickly convert any hour from San Francisco time to Toronto time. Rows highlighted in green indicate overlapping business hours in both cities.

San Francisco Toronto
00:00 03:00 Night
01:00 04:00 Night
02:00 05:00 Night
03:00 06:00 Night
04:00 07:00 Night
05:00 08:00 Night
06:00 09:00
07:00 10:00
08:00 11:00
09:00 12:00 Overlap
10:00 13:00 Overlap
11:00 14:00 Overlap
12:00 15:00 Overlap
13:00 16:00 Overlap
14:00 17:00
15:00 18:00
16:00 19:00
17:00 20:00
18:00 21:00
19:00 22:00
20:00 23:00
21:00 00:00 (+1 day)
22:00 01:00 (+1 day) Night
23:00 02:00 (+1 day) Night

Daylight Saving Time (DST) Impact

Both San Francisco and Toronto are currently observing daylight saving time. The current 3 hours difference reflects both cities' DST offsets. When one city switches back to standard time before the other, the gap will temporarily change by 1 hour.

Practical Tips for San Francisco–Toronto Scheduling

Compare San Francisco and Toronto with Other Cities

From San Francisco

From Toronto

Frequently Asked Questions

What is the time difference between San Francisco and Toronto?

The time difference is 3 hours. Toronto is 3 hours ahead of San Francisco.

Does the time difference change during the year?

Yes. Both cities observe daylight saving time, but they may switch on different dates, causing the gap to shift by 1 hour temporarily.

When is the best time to call from San Francisco to Toronto?

The best window is between 09:00 and 14:00 San Francisco time, which corresponds to 12:00–17:00 in Toronto. Both sides fall within normal business hours.

How do I convert San Francisco time to Toronto time?

Add 3 hours to San Francisco time to get Toronto time. Use the hour-by-hour table above for a quick reference.

Related Pages

For sunrise and sunset data, visit TheSunsetTimes.com. For detailed DST schedules, see DaylightSavingTime.info.