Time difference
San Antonio to Tokyo Time Difference
Tokyo is 14 hours ahead of San Antonio — when it's 12:00 PM in San Antonio, it's 2:00 AM the next day in Tokyo. (San Antonio (America/Chicago, CDT); Tokyo (Asia/Tokyo, JST).) Below: live local times, the best hours for a call, a full conversion table, and exact daylight-saving dates.
Tokyo is 14 hours ahead of San Antonio. Standard 9 AM–5 PM business hours in San Antonio and Tokyo do not overlap, so a live call needs one side outside normal hours. Clocks change on November 1, 2026, which briefly shifts the gap between San Antonio and Tokyo — the converter on this page always reflects the correct offset for the date you pick.
- When it's 9:00 AM in San Antonio, it's 11:00 PM in Tokyo.
- When it's 9:00 AM in Tokyo, it's 7:00 PM the previous day in San Antonio.
Tokyo is currently 14 hours ahead of San Antonio.
Interactive converter
12:00PM
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Best times to meet
Standard 9 AM – 5 PM hours in San Antonio and Tokyo do not overlap. The least-bad options are an early start in one city or a late evening call in the other — for example a 7–8 AM meeting in San Antonio, or a 6–8 PM meeting in Tokyo.
Quick conversion table
| San Antonio | Tokyo |
|---|---|
| 12 AM | 2:00 PM |
| 1 AM | 3:00 PM |
| 2 AM | 4:00 PM |
| 3 AM | 5:00 PM |
| 4 AM | 6:00 PM |
| 5 AM | 7:00 PM |
| 6 AM | 8:00 PM |
| 7 AM | 9:00 PM |
| 8 AM | 10:00 PM |
| 9 AM | 11:00 PM |
| 10 AM | 12:00 AM (next day) |
| 11 AM | 1:00 AM (next day) |
| 12 PM | 2:00 AM (next day) |
| 1 PM | 3:00 AM (next day) |
| 2 PM | 4:00 AM (next day) |
| 3 PM | 5:00 AM (next day) |
| 4 PM | 6:00 AM (next day) |
| 5 PM | 7:00 AM (next day) |
| 6 PM | 8:00 AM (next day) |
| 7 PM | 9:00 AM (next day) |
| 8 PM | 10:00 AM (next day) |
| 9 PM | 11:00 AM (next day) |
| 10 PM | 12:00 PM (next day) |
| 11 PM | 1:00 PM (next day) |
Daylight saving
On November 1, 2026, San Antonio shifts for daylight saving. After that, Tokyo will be 15 hours ahead of San Antonio (currently 14 hours ahead of San Antonio). The converter and the tables above always reflect the correct offset for the date you pick.
- San Antonio is currently observing daylight saving time.
- Tokyo does not observe daylight saving time.
Frequently asked questions
- Is Tokyo ahead of or behind San Antonio?
- Tokyo is 14 hours ahead of San Antonio.
- How many hours ahead of San Antonio is Tokyo?
- Tokyo is 14 hours ahead of San Antonio.
- What time is 9 AM in San Antonio in Tokyo?
- 9:00 AM in San Antonio is 11:00 PM in Tokyo.
- What time is noon in San Antonio in Tokyo?
- 12:00 PM in San Antonio is 2:00 AM the next day in Tokyo.
- What time is 5 PM in San Antonio in Tokyo?
- 5:00 PM in San Antonio is 7:00 AM the next day in Tokyo. Useful for end-of-day handoffs between the two offices.
- What time is 3 PM in San Antonio in Tokyo?
- 3:00 PM in San Antonio is 5:00 AM the next day in Tokyo.
- Is San Antonio currently observing daylight saving time?
- San Antonio is currently observing daylight saving time (summer time).
- Is Tokyo currently observing daylight saving time?
- Tokyo does not observe daylight saving time — its UTC offset stays the same all year.
- Do San Antonio and Tokyo observe daylight saving?
- On November 1, 2026, San Antonio shifts for daylight saving. After that, Tokyo will be 15 hours ahead of San Antonio (currently 14 hours ahead of San Antonio). The converter and the tables above always reflect the correct offset for the date you pick.
- When is the best time to call Tokyo from San Antonio?
- San Antonio and Tokyo business hours don't overlap. The closest options are early mornings in San Antonio or late evenings, when one side stretches outside 9–5.
- When is the best time to call San Antonio from Tokyo?
- Tokyo and San Antonio business hours don't overlap. The closest options are early mornings in Tokyo or late evenings, when one side stretches outside 9–5.
- San Antonio (CDT) to Tokyo (JST) — how do I convert quickly?
- Add 14 hours to San Antonio local time to get Tokyo local time. Or use the converter at the top of this page — it stays accurate through daylight-saving changes automatically.
Other conversions
- New York to San Antonio
- London to San Antonio
- Dubai to San Antonio
- San Antonio to Singapore
- Los Angeles to San Antonio
- San Antonio to Sydney
- Paris to San Antonio
- Mumbai to San Antonio
- Hong Kong to San Antonio
- San Antonio to San Francisco