Clockjumper

Time difference

San Francisco to St. Louis Time Difference

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

Quick answer

St. Louis is 2 hours ahead of San Francisco. The best window for a call is 9 AM–3 PM in San Francisco, which is 11 AM–5 PM in St. Louis — a 6-hour overlap inside 9 AM–5 PM on both sides. San Francisco and St. Louis 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 San Francisco, it's 11:00 AM in St. Louis.
  • When it's 9:00 AM in St. Louis, it's 7:00 AM in San Francisco.

St. Louis is currently 2 hours ahead of San Francisco.

San Francisco • PDT
2:45 PM
Sunday, Aug 23
St. Louis • CDT
4:45 PM
Sunday, Aug 23

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Best times to meet

The 9 AM – 5 PM business windows in San Francisco and St. Louis overlap for 6 hours. 9 AM–3 PM in San Francisco is 11 AM–5 PM in St. Louis. Aim somewhere in the middle of that window so neither side starts cold or finishes drained.

Quick conversion table

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

Daylight saving

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

  • San Francisco is currently observing daylight saving time.
  • St. Louis is currently observing daylight saving time.

Frequently asked questions

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

Other conversions

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