Clockjumper

Time difference

Houston to San Francisco Time Difference

San Francisco is 2 hours behind Houston — when it's 12:00 PM in Houston, it's 10:00 AM in San Francisco. (Houston (America/Chicago, CDT); San Francisco (America/Los_Angeles, PDT).) Below: live local times, the best hours for a call, a full conversion table, and exact daylight-saving dates.

Quick answer

San Francisco is 2 hours behind Houston. The best window for a call is 11 AM–5 PM in Houston, which is 9 AM–3 PM in San Francisco — a 6-hour overlap inside 9 AM–5 PM on both sides. Houston and San Francisco change their clocks together (or don't change at all), so the time difference between them stays the same all year.

  • When it's 9:00 AM in Houston, it's 7:00 AM in San Francisco.
  • When it's 9:00 AM in San Francisco, it's 11:00 AM in Houston.

San Francisco is currently 2 hours behind Houston.

HoustonCDT
4:45 PM
Sunday, Aug 23
San FranciscoPDT
2:45 PM
Sunday, Aug 23

Interactive converter

From

12:00PM

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Best times to meet

The 9 AM – 5 PM business windows in Houston and San Francisco overlap for 6 hours. 11 AM5 PM in Houston is 9 AM3 PM in San Francisco. Aim somewhere in the middle of that window so neither side starts cold or finishes drained.

Quick conversion table

HoustonSan Francisco
12 AM10:00 PM (prev day)
1 AM11:00 PM (prev day)
2 AM12:00 AM
3 AM1:00 AM
4 AM2:00 AM
5 AM3:00 AM
6 AM4:00 AM
7 AM5:00 AM
8 AM6:00 AM
9 AM7:00 AM
10 AM8:00 AM
11 AM9:00 AM
12 PM10:00 AM
1 PM11:00 AM
2 PM12:00 PM
3 PM1:00 PM
4 PM2:00 PM
5 PM3:00 PM
6 PM4:00 PM
7 PM5:00 PM
8 PM6:00 PM
9 PM7:00 PM
10 PM8:00 PM
11 PM9:00 PM

Daylight saving

On November 1, 2026, both Houston and San Francisco shift for daylight saving. After that, San Francisco will be 2 hours behind Houston (currently 2 hours behind Houston). The converter and the tables above always reflect the correct offset for the date you pick.

  • Houston is currently observing daylight saving time.
  • San Francisco is currently observing daylight saving time.

Frequently asked questions

Is San Francisco ahead of or behind Houston?
San Francisco is 2 hours behind Houston.
How many hours behind Houston is San Francisco?
San Francisco is 2 hours behind Houston.
What time is 9 AM in Houston in San Francisco?
9:00 AM in Houston is 7:00 AM in San Francisco.
What time is noon in Houston in San Francisco?
12:00 PM in Houston is 10:00 AM in San Francisco.
What time is 5 PM in Houston in San Francisco?
5:00 PM in Houston is 3:00 PM in San Francisco. Useful for end-of-day handoffs between the two offices.
What time is 3 PM in Houston in San Francisco?
3:00 PM in Houston is 1:00 PM in San Francisco.
Is Houston currently observing daylight saving time?
Houston is currently observing daylight saving time (summer time).
Is San Francisco currently observing daylight saving time?
San Francisco is currently observing daylight saving time (summer time).
Do Houston and San Francisco observe daylight saving?
On November 1, 2026, both Houston and San Francisco shift for daylight saving. After that, San Francisco will be 2 hours behind Houston (currently 2 hours behind Houston). The converter and the tables above always reflect the correct offset for the date you pick.
When is the best time to call San Francisco from Houston?
Aim for 11 AM–5 PM in Houston, which is 9 AM–3 PM in San Francisco.
When is the best time to call Houston from San Francisco?
Aim for 9 AM–3 PM in San Francisco, which is 11 AM–5 PM in Houston.
Houston (CDT) to San Francisco (PDT) — how do I convert quickly?
Subtract 2 hours from Houston local time to get San Francisco local time. Or use the converter at the top of this page — it stays accurate through daylight-saving changes automatically.