Cancún to San Antonio Time Difference
San Antonio and Cancún are on the same clock time. There is no time difference between them right now.
Is There a Time Difference Between Cancún and San Antonio?
No — San Antonio and Cancún are on exactly the same clock. Whatever the time is in Cancún, it is the same in San Antonio, so nothing needs converting between them.
Best Time to Call Cancún and San Antonio
Both cities are inside normal business hours between 9:00 AM and 5:00 PM in Cancún — that's 9:00 AM to 5:00 PM in San Antonio. That's an 8-hour window, so a call fits comfortably in either side's working day.
both at work Cancún only San Antonio only neither — hours shown along the strip are Cancún local time.
Convert a Specific Time
Pick any date and time in Cancún to see the exact equivalent in San Antonio.
Common Times Converted
Cancún time on the left, San Antonio time on the right.
Cancún to San Antonio: Full 24-Hour Conversion Table
Based on today, Sunday, October 11, 2026 in Cancún. Shaded rows are working hours; the darker shade marks the hours when both cities are at work.
| Cancún | San Antonio | Working hours |
|---|---|---|
| 12:00 AM | 12:00 AM | — |
| 1:00 AM | 1:00 AM | — |
| 2:00 AM | 2:00 AM | — |
| 3:00 AM | 3:00 AM | — |
| 4:00 AM | 4:00 AM | — |
| 5:00 AM | 5:00 AM | — |
| 6:00 AM | 6:00 AM | — |
| 7:00 AM | 7:00 AM | — |
| 8:00 AM | 8:00 AM | — |
| 9:00 AM | 9:00 AM | Both cities |
| 10:00 AM | 10:00 AM | Both cities |
| 11:00 AM | 11:00 AM | Both cities |
| 12:00 PM | 12:00 PM | Both cities |
| 1:00 PM | 1:00 PM | Both cities |
| 2:00 PM | 2:00 PM | Both cities |
| 3:00 PM | 3:00 PM | Both cities |
| 4:00 PM | 4:00 PM | Both cities |
| 5:00 PM | 5:00 PM | — |
| 6:00 PM | 6:00 PM | — |
| 7:00 PM | 7:00 PM | — |
| 8:00 PM | 8:00 PM | — |
| 9:00 PM | 9:00 PM | — |
| 10:00 PM | 10:00 PM | — |
| 11:00 PM | 11:00 PM | — |
Understanding the Cancún – San Antonio Time Difference
Cancún runs on America/Cancun, currently EST (UTC-5:00). San Antonio runs on America/Chicago, currently CDT (UTC-5:00). Both offsets are identical right now, which is why the two cities show the same clock time.
San Antonio observes Daylight Saving Time and Cancún 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 1 hour. Anything scheduled across that date needs checking again.
Full clock-change dates: Daylight Saving Time in Mexico · Daylight Saving Time in the United States.
Cancún today
San Antonio today
Frequently Asked Questions
What is the time difference between Cancún and San Antonio?
There is currently no time difference between Cancún and San Antonio. Both cities are on the same clock time right now.
What time is it in San Antonio when it is 9:00 AM in Cancún?
When it is 9:00 AM in Cancún, it is 9:00 AM in San Antonio.
What is the best time to call between Cancún and San Antonio?
Between 9:00 AM and 5:00 PM Cancún time, which is 9:00 AM to 5:00 PM in San Antonio. Both cities are inside normal business hours during that window.
Does the time difference between Cancún and San Antonio change during the year?
Yes. San Antonio observes Daylight Saving Time and Cancún does not, so the gap between them shifts during the year. It changes to 1 hour on Sunday, November 1, 2026.
What time zones are Cancún and San Antonio in?
Cancún uses the America/Cancun time zone, currently EST (UTC-5:00). San Antonio uses America/Chicago, currently CDT (UTC-5:00).