Mexico City to San Antonio, TX: time difference
San Antonio, TX is 1 h ahead of Mexico City. 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.
Mexico City 21:40 9:40 PM San Antonio, TX 22:40 10:40 PM You –:–
21:40 9:40 PM
Central Standard Time · UTC-6
☀️ 06:30 · 🌙 18:19
22:40 10:40 PM
Central Daylight Time · UTC-5
☀️ 07:32 · 🌙 19:11
·
+1 h
San Antonio, TX is 1 h ahead of Mexico City.
When you, Mexico City and San Antonio, TX are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇲🇽 Mexico City
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
🇺🇸 San Antonio, TX
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 0 12 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇲🇽 Mexico City | 🇺🇸 San Antonio, TX |
|---|---|---|
| Local time | 21:40 | 22:40 |
| Local date | Friday, October 9, 2026 | Friday, October 9, 2026 |
| Time zone | Central Standard Time | Central Daylight Time |
| UTC offset | UTC-6 | UTC-5 |
| Offset from Mexico City | — | +1 h |
| IANA zone | America/Mexico City | America/Chicago |
| Daylight saving | Not observed | On summer time → UTC-6, Nov 1, 01:00 |
| Sunrise | 06:30 | 07:32 |
| Sunset | 18:19 | 19:11 |
| Daylight | 11 h 49 min | 11 h 39 min |
| People on this clock | 9,209,944 | 1,434,625 |
Compare Mexico City with another city
More comparisons with Mexico City: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Mexico City and San Antonio, TX: common questions
What is the time difference between Mexico City and San Antonio, TX?
San Antonio is 1 hour ahead: it uses UTC−5, while Mexico City is on UTC−6.
What time is it in San Antonio, TX, when it is 9:00 AM in Mexico City?
When it is 9:00 AM in Mexico City, it is 10:00 AM in San Antonio.
If it is 6:00 PM in Mexico City, what time is it in San Antonio, TX?
At 6:00 PM in Mexico City, clocks in San Antonio show 7:00 PM.
Is there a time when both Mexico City and San Antonio, TX, are at work?
Yes: from 9:00 AM to 5:00 PM in Mexico City (10:00 AM to 6:00 PM in San Antonio), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in San Antonio, TX, compared with Mexico City?
The new day starts in San Antonio earlier: at 11:00 PM in Mexico City it is already midnight there. Until 1:00 AM in San Antonio, Mexico City is still on the previous day.
Does the time difference between Mexico City and San Antonio, TX, change?
Yes. The clocks change only in San Antonio. From November 1, 2026, San Antonio and Mexico City will have the same time.
