Mexico City to San Marcos, TX: time difference
San Marcos, 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 05:57 5:57 AM San Marcos, TX 06:57 6:57 AM You –:–
05:57 5:57 AM
Central Standard Time · UTC-6
☀️ 06:32 · 🌙 18:12
06:57 6:57 AM
Central Daylight Time · UTC-5
☀️ 07:36 · 🌙 18:59
·
+1 h
San Marcos, TX is 1 h ahead of Mexico City.
When you, Mexico City and San Marcos, 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 Marcos, 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 Marcos, TX |
|---|---|---|
| Local time | 05:57 | 06:57 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 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 | 06:32 | 07:36 |
| Sunset | 18:12 | 18:59 |
| Daylight | 11 h 40 min | 11 h 23 min |
| People on this clock | 9,209,944 | 44,894 |
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 Marcos, TX: common questions
How many hours ahead of Mexico City is San Marcos, TX?
The clocks in San Marcos are 1 hour ahead of those in Mexico City (UTC−5 and UTC−6).
What time is it in San Marcos, 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 Marcos.
What time is it in San Marcos, TX, when it is 6:00 PM in Mexico City?
When it is 6:00 PM in Mexico City, it is 7:00 PM in San Marcos.
When do working hours in Mexico City and in San Marcos, TX, overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in Mexico City, which is 10:00 AM to 6:00 PM in San Marcos.
When is it already the next day in San Marcos, TX?
From 11:00 PM in Mexico City it is already the next day in San Marcos. The other way round, until 1:00 AM in San Marcos it is still the previous day in Mexico City.
Does the time difference between Mexico City and San Marcos, TX, change?
Yes. The clocks change only in San Marcos. From November 1, 2026, San Marcos and Mexico City will have the same time.
