Time Difference Between Phnom Penh and San Francisco

The time difference between Phnom Penh and San Francisco is 14 hours. When it is 12:00 noon in Phnom Penh, it is 22:00 in San Francisco. Phnom Penh uses the Asia/Phnom_Penh time zone (UTC+7), while San Francisco uses America/Los_Angeles (UTC-7).

San Francisco is 14 hours behind Phnom Penh — 14 hours
Phnom Penh, Cambodia
06:50:51
Friday, March 27, 2026
UTC+7 · +07
San Francisco, United States
16:50:51
Thursday, March 26, 2026
UTC-7 · PDT (DST)

Time Zone Details: Phnom Penh vs San Francisco

Detail Phnom Penh San Francisco
Time Zone IDAsia/Phnom_PenhAmerica/Los_Angeles
UTC OffsetUTC+7UTC-7
Abbreviation+07PDT
DST ActiveNoYes — currently observing
CountryCambodiaUnited States
RegionAsiaNorth America

Best Time to Schedule a Call

With a 14 hours gap, there is no standard business-hours overlap between Phnom Penh and San Francisco. One party will need to adjust their schedule. Early mornings in Phnom Penh or late evenings in San Francisco tend to be the most practical compromise.

Hour-by-Hour Time Conversion

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

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

Daylight Saving Time (DST) Impact

San Francisco is currently observing daylight saving time, while Phnom Penh is on standard time. When San Francisco switches back to standard time, the difference between these two cities will shift by 1 hour.

Practical Tips for Phnom Penh–San Francisco Scheduling

Compare Phnom Penh and San Francisco with Other Cities

From Phnom Penh

From San Francisco

Frequently Asked Questions

What is the time difference between Phnom Penh and San Francisco?

The time difference is 14 hours. San Francisco is 14 hours behind Phnom Penh.

Does the time difference change during the year?

Yes. One of these cities observes DST while the other does not, so the difference shifts by 1 hour when DST begins or ends.

When is the best time to call from Phnom Penh to San Francisco?

There is no ideal window during standard business hours. Consider scheduling at the edges — early morning for the city that is ahead and late afternoon for the city that is behind.

How do I convert Phnom Penh time to San Francisco time?

Subtract 14 hours from Phnom Penh time to get San Francisco 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.