San Marcos, TX to Mexico City: time difference
Mexico City is 1 h behind San Marcos, 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 Marcos, TX 09:20 9:20 AM Mexico City 08:20 8:20 AM You –:–
09:20 9:20 AM
Central Daylight Time · UTC-5
☀️ 07:36 · 🌙 18:59
08:20 8:20 AM
Central Standard Time · UTC-6
☀️ 06:32 · 🌙 18:12
·
−1 h
Mexico City is 1 h behind San Marcos, TX.
When you, San Marcos, TX and Mexico City 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 Marcos, 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
🇲🇽 Mexico City
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
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Time zones side by side
| Detail | 🇺🇸 San Marcos, TX | 🇲🇽 Mexico City |
|---|---|---|
| Local time | 09:20 | 08:20 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Central Daylight Time | Central Standard Time |
| UTC offset | UTC-5 | UTC-6 |
| Offset from San Marcos, TX | — | −1 h |
| IANA zone | America/Chicago | America/Mexico City |
| Daylight saving | On summer time → UTC-6, Nov 1, 01:00 | Not observed |
| Sunrise | 07:36 | 06:32 |
| Sunset | 18:59 | 18:12 |
| Daylight | 11 h 23 min | 11 h 40 min |
| People on this clock | 44,894 | 9,209,944 |
Compare San Marcos, TX with another city
More comparisons with San Marcos, TX: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
San Marcos, TX and Mexico City: common questions
How many hours behind San Marcos, TX, is Mexico City?
The clocks in Mexico City are 1 hour behind those in San Marcos (UTC−6 and UTC−5).
If it is 9:00 AM in San Marcos, TX, what time is it in Mexico City?
At 9:00 AM in San Marcos, clocks in Mexico City show 8:00 AM.
What time is it in Mexico City when it is 6:00 PM in San Marcos, TX?
When it is 6:00 PM in San Marcos, it is 5:00 PM in Mexico City.
When do working hours in San Marcos, TX, and in Mexico City overlap?
Working hours (9:00 AM–6:00 PM) overlap from 10:00 AM to 6:00 PM in San Marcos, which is 9:00 AM to 5:00 PM in Mexico City.
When does the date change in Mexico City compared with San Marcos, TX?
The new day starts in Mexico City later: until 1:00 AM in San Marcos, it is still the previous day there. From 11:00 PM in Mexico City, San Marcos is already on the next day.
Does the time gap between San Marcos, TX, and Mexico City change during the year?
Yes – daylight saving time is used in San Marcos but not in Mexico City. From November 1, 2026, Mexico City and San Marcos will have the same time.
