San Antonio, TX to Monterrey: time difference
Monterrey is 1 h behind San Antonio, TX. Live clocks for both, the working hours they share, and how each one sits against your own time.
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
San Antonio, TX 05:30 5:30 AM Monterrey 04:30 4:30 AM You –:–
05:30 5:30 AM
Central Daylight Time · UTC-5
☀️ 07:33 · 🌙 19:10
04:30 4:30 AM
Central Standard Time · UTC-6
☀️ 06:38 · 🌙 18:20
·
−1 h
Monterrey is 1 h behind San Antonio, TX.
When you, San Antonio, TX and Monterrey are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇺🇸 San Antonio, TX
0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM
🇲🇽 Monterrey
23 11 PM 0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇺🇸 San Antonio, TX | 🇲🇽 Monterrey |
|---|---|---|
| Local time | 05:30 | 04:30 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Central Daylight Time | Central Standard Time |
| UTC offset | UTC-5 | UTC-6 |
| Offset from San Antonio, TX | — | −1 h |
| IANA zone | America/Chicago | America/Monterrey |
| Daylight saving | On summer time → UTC-6, Nov 1, 01:00 | Not observed |
| Sunrise | 07:33 | 06:38 |
| Sunset | 19:10 | 18:20 |
| Daylight | 11 h 37 min | 11 h 42 min |
| People on this clock | 1,434,625 | 1,142,994 |
Compare San Antonio, TX with another city
More comparisons with San Antonio, TX: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
San Antonio, TX and Monterrey: common questions
What is the time difference between San Antonio, TX, and Monterrey?
Monterrey is 1 hour behind: it uses UTC−6, while San Antonio is on UTC−5.
If it is 9:00 AM in San Antonio, TX, what time is it in Monterrey?
At 9:00 AM in San Antonio, clocks in Monterrey show 8:00 AM.
What time is it in Monterrey when it is 6:00 PM in San Antonio, TX?
When it is 6:00 PM in San Antonio, it is 5:00 PM in Monterrey.
When is a good time to call Monterrey from San Antonio, TX?
Between 10:00 AM and 6:00 PM in San Antonio – that is 9:00 AM to 5:00 PM in Monterrey – both places are within working hours (9:00 AM–6:00 PM).
Until what time in San Antonio, TX, is it still yesterday in Monterrey?
Before 1:00 AM in San Antonio, the date in Monterrey has not changed yet. From 11:00 PM in Monterrey, it is already the next day in San Antonio.
Is the time difference between San Antonio, TX, and Monterrey the same all year?
No. Only San Antonio switches to summer time, so the gap changes twice a year. From November 1, 2026, Monterrey and San Antonio will have the same time.
