San Antonio to Rome Time Difference
Rome is 7 hours ahead of San Antonio. When it's 07:57:37 AM in San Antonio, it's 02:57:37 PM in Rome.
How Many Hours Ahead Is Rome From San Antonio?
Rome is 7 hours ahead of San Antonio. So San Antonio is 7 hours behind Rome 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 4:00 PM in Rome. The gap is not fixed all year: it becomes 6 hours on Sunday, October 25, 2026, when Rome changes its clocks.
Best Time to Call San Antonio and Rome
Both cities are inside normal business hours between 9:00 AM and 10:00 AM in San Antonio — that's 4:00 PM to 5:00 PM in Rome. That's a 1-hour window, so a call fits comfortably in either side's working day.
both at work San Antonio only Rome 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 Rome.
Common Times Converted
San Antonio time on the left, Rome time on the right.
San Antonio to Rome: 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 | Rome | Working hours |
|---|---|---|
| 12:00 AM | 7:00 AM | — |
| 1:00 AM | 8:00 AM | — |
| 2:00 AM | 9:00 AM | Rome only |
| 3:00 AM | 10:00 AM | Rome only |
| 4:00 AM | 11:00 AM | Rome only |
| 5:00 AM | 12:00 PM | Rome only |
| 6:00 AM | 1:00 PM | Rome only |
| 7:00 AM | 2:00 PM | Rome only |
| 8:00 AM | 3:00 PM | Rome only |
| 9:00 AM | 4:00 PM | Both cities |
| 10:00 AM | 5:00 PM | San Antonio only |
| 11:00 AM | 6:00 PM | San Antonio only |
| 12:00 PM | 7:00 PM | San Antonio only |
| 1:00 PM | 8:00 PM | San Antonio only |
| 2:00 PM | 9:00 PM | San Antonio only |
| 3:00 PM | 10:00 PM | San Antonio only |
| 4:00 PM | 11:00 PM | San Antonio only |
| 5:00 PM | 12:00 AM next day | — |
| 6:00 PM | 1:00 AM next day | — |
| 7:00 PM | 2:00 AM next day | — |
| 8:00 PM | 3:00 AM next day | — |
| 9:00 PM | 4:00 AM next day | — |
| 10:00 PM | 5:00 AM next day | — |
| 11:00 PM | 6:00 AM next day | — |
Understanding the San Antonio – Rome Time Difference
San Antonio runs on America/Chicago, currently CDT (UTC-5:00). Rome runs on Europe/Rome, currently CEST (UTC+2:00). The gap of 7 hours is simply the distance between those two offsets.
Both cities observe Daylight Saving Time, but they don't switch on the same date — so for a few weeks each year the gap between them is different again. The next shift is on Sunday, October 25, 2026, when Rome adjusts its clocks and the difference becomes 6 hours. Anything scheduled across that date needs checking again.
Full clock-change dates: Daylight Saving Time in the United States.
San Antonio today
Rome today
Frequently Asked Questions
What is the time difference between San Antonio and Rome?
Rome is currently 7 hours ahead of San Antonio. That gap becomes 6 hours on Sunday, October 25, 2026, when Rome changes its clocks.
How many hours ahead is Rome from San Antonio?
Rome is 7 hours ahead of San Antonio. Looking at it the other way, San Antonio is 7 hours behind Rome.
What time is it in Rome when it is 9:00 AM in San Antonio?
When it is 9:00 AM in San Antonio, it is 4:00 PM in Rome.
Is Rome ahead of or behind San Antonio?
Rome is 7 hours ahead of San Antonio. Rome reaches each point in the day first, so its working day is already finishing while San Antonio is still getting started.
What is the best time to call between San Antonio and Rome?
Between 9:00 AM and 10:00 AM San Antonio time, which is 4:00 PM to 5:00 PM in Rome. Both cities are inside normal business hours during that window.
Does the time difference between San Antonio and Rome change during the year?
Yes. Both cities observe Daylight Saving Time, and they do not always switch on the same date, so the gap between them shifts during the year. It changes to 6 hours on Sunday, October 25, 2026.
What time zones are San Antonio and Rome in?
San Antonio uses the America/Chicago time zone, currently CDT (UTC-5:00). Rome uses Europe/Rome, currently CEST (UTC+2:00).