Clockjumper

Time difference

Monterrey to San Francisco Time Difference

San Francisco is 1 hour behind Monterrey — when it's 12:00 PM in Monterrey, it's 11:00 AM in San Francisco. (Monterrey (America/Monterrey, CST); 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 1 hour behind Monterrey. The best window for a call is 10 AM–5 PM in Monterrey, which is 9 AM–4 PM in San Francisco — a 7-hour overlap inside 9 AM–5 PM on both sides. Clocks change on November 1, 2026, which briefly shifts the gap between Monterrey and San Francisco — the converter on this page always reflects the correct offset for the date you pick.

  • When it's 9:00 AM in Monterrey, it's 8:00 AM in San Francisco.
  • When it's 9:00 AM in San Francisco, it's 10:00 AM in Monterrey.

San Francisco is currently 1 hour behind Monterrey.

Monterrey • CST
3:45 PM
Sunday, Aug 23
San Francisco • PDT
2:45 PM
Sunday, Aug 23

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Best times to meet

The 9 AM – 5 PM business windows in Monterrey and San Francisco overlap for 7 hours. 10 AM–5 PM in Monterrey is 9 AM–4 PM in San Francisco. Aim somewhere in the middle of that window so neither side starts cold or finishes drained.

Quick conversion table

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

Daylight saving

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

  • Monterrey does not observe daylight saving time.
  • San Francisco is currently observing daylight saving time.

Frequently asked questions

Is San Francisco ahead of or behind Monterrey?
San Francisco is 1 hour behind Monterrey.
How many hours behind Monterrey is San Francisco?
San Francisco is 1 hour behind Monterrey.
What time is 9 AM in Monterrey in San Francisco?
9:00 AM in Monterrey is 8:00 AM in San Francisco.
What time is noon in Monterrey in San Francisco?
12:00 PM in Monterrey is 11:00 AM in San Francisco.
What time is 5 PM in Monterrey in San Francisco?
5:00 PM in Monterrey is 4:00 PM in San Francisco. Useful for end-of-day handoffs between the two offices.
What time is 3 PM in Monterrey in San Francisco?
3:00 PM in Monterrey is 2:00 PM in San Francisco.
Is Monterrey currently observing daylight saving time?
Monterrey does not observe daylight saving time — its UTC offset stays the same all year.
Is San Francisco currently observing daylight saving time?
San Francisco is currently observing daylight saving time (summer time).
Do Monterrey and San Francisco observe daylight saving?
On November 1, 2026, San Francisco shifts for daylight saving. After that, San Francisco will be 2 hours behind Monterrey (currently 1 hour behind Monterrey). 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 Monterrey?
Aim for 10 AM–5 PM in Monterrey, which is 9 AM–4 PM in San Francisco.
When is the best time to call Monterrey from San Francisco?
Aim for 9 AM–4 PM in San Francisco, which is 10 AM–5 PM in Monterrey.
Monterrey (CST) to San Francisco (PDT) — how do I convert quickly?
Subtract 1 hour from Monterrey 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.

Other conversions

Regional hubs

Current time in each city

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