Time Difference Between San Antonio and Tokyo
Tokyo is 14 hours ahead San Antonio.
United States
San Antonio
America/Chicago · UTC-5
Japan
Tokyo
Asia/Tokyo · UTC+9
Best Times to Meet
Hours where standard working time (9 AM – 6 PM) overlaps in both San Antonio and Tokyo.
Standard working hours don't overlap between San Antonio and Tokyo. Consider early-morning calls in San Antonio or late-evening calls in Tokyo.
San Antonio to Tokyo — 24-Hour Conversion
Each row shows the equivalent local time in Tokyo for an hour in San Antonio. Working-hours rows (9–18) are highlighted.
| San Antonio | Tokyo | Match |
|---|---|---|
| Workday in Tokyo | ||
| Workday in Tokyo | ||
| Workday in Tokyo | ||
| Workday in Tokyo | ||
| Off hours | ||
| Off hours | ||
| Off hours | ||
| Off hours | ||
| Off hours | ||
| Workday in San Antonio | ||
| +1 day | Workday in San Antonio | |
| +1 day | Workday in San Antonio | |
| +1 day | Workday in San Antonio | |
| +1 day | Workday in San Antonio | |
| +1 day | Workday in San Antonio | |
| +1 day | Workday in San Antonio | |
| +1 day | Workday in San Antonio | |
| +1 day | Workday in San Antonio | |
| +1 day | Off hours | |
| +1 day | Workday in Tokyo | |
| +1 day | Workday in Tokyo | |
| +1 day | Workday in Tokyo | |
| +1 day | Workday in Tokyo | |
| +1 day | Workday in Tokyo |
Frequently Asked Questions
What is the time difference between San Antonio and Tokyo?
Tokyo, Japan (UTC+9) is 14 hours ahead San Antonio, United States (UTC-5).
What is the best time to schedule a meeting between San Antonio and Tokyo?
The best meeting times overlap when both cities are within standard working hours (9 AM – 6 PM). The full hour-by-hour table on this page lists every overlap window.
Does daylight saving time change the difference between San Antonio and Tokyo?
Yes — when one city observes daylight saving time and the other does not, the gap shifts by an hour. The conversion table on this page reflects the current offset, including any active DST.
When it is 9 AM in San Antonio, what time is it in Tokyo?
Use the conversion table on this page — every hour in San Antonio is mapped to its equivalent local time in Tokyo, including day shift markers when the date differs.