Time difference between San Juan and Tokyo
World time board
San Juan · Puerto RicoUTC-04:00
05:10 AMSAT 03.10.2026
Now 05:10 AM|Live
Drag or scroll · click an hour · ◀ ▶ by hour · 3 days of range
Work–
daydawn / dusknight
- Time difference
- San Juan is 13 hours behind
- Changes with DST
- No
- Day difference
- Same day
- Typical workday overlap (9am–6pm)
- None
| San Juan | Tokyo |
|---|---|
| 00:00 | 13:00 |
| 01:00 | 14:00 |
| 02:00 | 15:00 |
| 03:00 | 16:00 |
| 04:00 | 17:00 |
| 05:00 | 18:00 |
| 06:00 | 19:00 |
| 07:00 | 20:00 |
| 08:00 | 21:00 |
| 09:00 | 22:00 |
| 10:00 | 23:00 |
| 11:00 | 00:00+1 |
| 12:00 | 01:00+1 |
| 13:00 | 02:00+1 |
| 14:00 | 03:00+1 |
| 15:00 | 04:00+1 |
| 16:00 | 05:00+1 |
| 17:00 | 06:00+1 |
| 18:00 | 07:00+1 |
| 19:00 | 08:00+1 |
| 20:00 | 09:00+1 |
| 21:00 | 10:00+1 |
| 22:00 | 11:00+1 |
| 23:00 | 12:00+1 |
How the time difference changes over the next 12 months
San Juan is 13 hours behind Tokyo. The difference stays the same all year, because neither San Juan nor Tokyo changes its clocks.
Working hours
With a 9:00 AM–6:00 PM working day in both places, there are no shared hours: 9:00 AM in San Juan is 10:00 PM in Tokyo.
From 11:00 AM to midnight in San Juan, it is already the next day in Tokyo.
Frequently asked questions
- What is the time difference between San Juan and Tokyo?
- San Juan is 13 hours behind Tokyo.
- Does the time difference between San Juan and Tokyo change during the year?
- No. The difference stays the same all year, because neither San Juan nor Tokyo changes its clocks.