San Antonio to Mumbai Time Difference
Mumbai is 10 hours and 30 minutes ahead of San Antonio. When it's 07:57:10 AM in San Antonio, it's 06:27:10 PM in Mumbai.
How Many Hours Ahead Is Mumbai From San Antonio?
Mumbai is 10 hours and 30 minutes ahead of San Antonio. So San Antonio is 10 hours and 30 minutes behind Mumbai 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 7:30 PM in Mumbai. The gap is not fixed all year: it becomes 11 hours and 30 minutes on Sunday, November 1, 2026, when San Antonio changes its clocks.
Best Time to Call San Antonio and Mumbai
Standard 9-to-5 hours in San Antonio and Mumbai never overlap, so someone has to take the call outside their working day. The most workable window is 7:00 AM to 12:00 PM in San Antonio, which is 5:30 PM to 10:30 PM in Mumbai.
both at work San Antonio only Mumbai 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 Mumbai.
Common Times Converted
San Antonio time on the left, Mumbai time on the right.
San Antonio to Mumbai: 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 | Mumbai | Working hours |
|---|---|---|
| 12:00 AM | 10:30 AM | Mumbai only |
| 1:00 AM | 11:30 AM | Mumbai only |
| 2:00 AM | 12:30 PM | Mumbai only |
| 3:00 AM | 1:30 PM | Mumbai only |
| 4:00 AM | 2:30 PM | Mumbai only |
| 5:00 AM | 3:30 PM | Mumbai only |
| 6:00 AM | 4:30 PM | Mumbai only |
| 7:00 AM | 5:30 PM | — |
| 8:00 AM | 6:30 PM | — |
| 9:00 AM | 7:30 PM | San Antonio only |
| 10:00 AM | 8:30 PM | San Antonio only |
| 11:00 AM | 9:30 PM | San Antonio only |
| 12:00 PM | 10:30 PM | San Antonio only |
| 1:00 PM | 11:30 PM | San Antonio only |
| 2:00 PM | 12:30 AM next day | San Antonio only |
| 3:00 PM | 1:30 AM next day | San Antonio only |
| 4:00 PM | 2:30 AM next day | San Antonio only |
| 5:00 PM | 3:30 AM next day | — |
| 6:00 PM | 4:30 AM next day | — |
| 7:00 PM | 5:30 AM next day | — |
| 8:00 PM | 6:30 AM next day | — |
| 9:00 PM | 7:30 AM next day | — |
| 10:00 PM | 8:30 AM next day | — |
| 11:00 PM | 9:30 AM next day | Mumbai only |
Understanding the San Antonio – Mumbai Time Difference
San Antonio runs on America/Chicago, currently CDT (UTC-5:00). Mumbai runs on Asia/Kolkata, currently IST (UTC+5:30). The gap of 10 hours and 30 minutes is simply the distance between those two offsets.
San Antonio observes Daylight Saving Time and Mumbai 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 11 hours and 30 minutes. Anything scheduled across that date needs checking again.
Full clock-change dates: Daylight Saving Time in the United States · Daylight Saving Time in India.
San Antonio today
Mumbai today
Frequently Asked Questions
What is the time difference between San Antonio and Mumbai?
Mumbai is currently 10 hours and 30 minutes ahead of San Antonio. That gap becomes 11 hours and 30 minutes on Sunday, November 1, 2026, when San Antonio changes its clocks.
How many hours ahead is Mumbai from San Antonio?
Mumbai is 10 hours and 30 minutes ahead of San Antonio. Looking at it the other way, San Antonio is 10 hours and 30 minutes behind Mumbai.
What time is it in Mumbai when it is 9:00 AM in San Antonio?
When it is 9:00 AM in San Antonio, it is 7:30 PM in Mumbai.
Is Mumbai ahead of or behind San Antonio?
Mumbai is 10 hours and 30 minutes ahead of San Antonio. Mumbai 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 Mumbai?
Standard business hours in San Antonio and Mumbai do not overlap at all, so one side has to step outside the 9-to-5. The most workable window is 7:00 AM to 12:00 PM in San Antonio, which is 5:30 PM to 10:30 PM in Mumbai.
Does the time difference between San Antonio and Mumbai change during the year?
Yes. San Antonio observes Daylight Saving Time and Mumbai does not, so the gap between them shifts during the year. It changes to 11 hours and 30 minutes on Sunday, November 1, 2026.
What time zones are San Antonio and Mumbai in?
San Antonio uses the America/Chicago time zone, currently CDT (UTC-5:00). Mumbai uses Asia/Kolkata, currently IST (UTC+5:30).