San Antonio to Mexico City Time Difference
Mexico City is 1 hour behind San Antonio. When it's 07:06:09 AM in San Antonio, it's 06:06:09 AM in Mexico City.
How Many Hours Behind Is Mexico City From San Antonio?
Mexico City is 1 hour behind San Antonio. So San Antonio is 1 hour ahead of Mexico City looking the other way — the same gap, described from the other end.
In practice that means a working day in San Antonio starts when it is already 8:00 AM in Mexico City. The gap is not fixed all year: it becomes on Sunday, November 1, 2026, when San Antonio changes its clocks.
Best Time to Call San Antonio and Mexico City
Both cities are inside normal business hours between 10:00 AM and 5:00 PM in San Antonio — that's 9:00 AM to 4:00 PM in Mexico City. That's a 7-hour window, so a call fits comfortably in either side's working day.
both at work San Antonio only Mexico City only neither — hours shown along the strip are San Antonio local time.
Convert a Specific Time
Pick any date and time in San Antonio to see the exact equivalent in Mexico City.
Common Times Converted
San Antonio time on the left, Mexico City time on the right.
San Antonio to Mexico City: Full 24-Hour Conversion Table
Based on today, Sunday, October 11, 2026 in San Antonio. Shaded rows are working hours; the darker shade marks the hours when both cities are at work.
| San Antonio | Mexico City | Working hours |
|---|---|---|
| 12:00 AM | 11:00 PM prev day | — |
| 1:00 AM | 12:00 AM | — |
| 2:00 AM | 1:00 AM | — |
| 3:00 AM | 2:00 AM | — |
| 4:00 AM | 3:00 AM | — |
| 5:00 AM | 4:00 AM | — |
| 6:00 AM | 5:00 AM | — |
| 7:00 AM | 6:00 AM | — |
| 8:00 AM | 7:00 AM | — |
| 9:00 AM | 8:00 AM | San Antonio only |
| 10:00 AM | 9:00 AM | Both cities |
| 11:00 AM | 10:00 AM | Both cities |
| 12:00 PM | 11:00 AM | Both cities |
| 1:00 PM | 12:00 PM | Both cities |
| 2:00 PM | 1:00 PM | Both cities |
| 3:00 PM | 2:00 PM | Both cities |
| 4:00 PM | 3:00 PM | Both cities |
| 5:00 PM | 4:00 PM | Mexico City only |
| 6:00 PM | 5:00 PM | — |
| 7:00 PM | 6:00 PM | — |
| 8:00 PM | 7:00 PM | — |
| 9:00 PM | 8:00 PM | — |
| 10:00 PM | 9:00 PM | — |
| 11:00 PM | 10:00 PM | — |
Understanding the San Antonio – Mexico City Time Difference
San Antonio runs on America/Chicago, currently CDT (UTC-5:00). Mexico City runs on America/Mexico_City, currently CST (UTC-6:00). The gap of 1 hour is simply the distance between those two offsets.
San Antonio observes Daylight Saving Time and Mexico City does not, so the gap between them shifts by an hour twice a year. The next shift is on Sunday, November 1, 2026, when San Antonio adjusts its clocks and the difference becomes . Anything scheduled across that date needs checking again.
Full clock-change dates: Daylight Saving Time in the United States · Daylight Saving Time in Mexico.
San Antonio today
Mexico City today
Frequently Asked Questions
What is the time difference between San Antonio and Mexico City?
Mexico City is currently 1 hour behind San Antonio. That gap becomes on Sunday, November 1, 2026, when San Antonio changes its clocks.
How many hours behind is Mexico City from San Antonio?
Mexico City is 1 hour behind San Antonio. Looking at it the other way, San Antonio is 1 hour ahead of Mexico City.
What time is it in Mexico City when it is 9:00 AM in San Antonio?
When it is 9:00 AM in San Antonio, it is 8:00 AM in Mexico City.
Is Mexico City ahead of or behind San Antonio?
Mexico City is 1 hour behind San Antonio. San Antonio reaches each point in the day first, so Mexico City is still getting started while the San Antonio working day is finishing.
What is the best time to call between San Antonio and Mexico City?
Between 10:00 AM and 5:00 PM San Antonio time, which is 9:00 AM to 4:00 PM in Mexico City. Both cities are inside normal business hours during that window.
Does the time difference between San Antonio and Mexico City change during the year?
Yes. San Antonio observes Daylight Saving Time and Mexico City does not, so the gap between them shifts during the year. It changes to on Sunday, November 1, 2026.
What time zones are San Antonio and Mexico City in?
San Antonio uses the America/Chicago time zone, currently CDT (UTC-5:00). Mexico City uses America/Mexico_City, currently CST (UTC-6:00).