San Juan to Tokyo Time Difference
Tokyo is 14 hours ahead of San Juan
24-Hour Comparison
Business hours Extended Off hours
San Juan
03a
04a
05a
06a
07a
08a
09a
10a
11a
12p
01p
02p
03p
04p
05p
06p
07p
08p
09p
10p
11p
12a
01a
02a
Tokyo
05p
06p
07p
08p
09p
10p
11p
12a
01a
02a
03a
04a
05a
06a
07a
08a
09a
10a
11a
12p
01p
02p
03p
04p
Each column is the same moment in both cities, starting from right now and rolling forward 24 hours — daylight saving is already accounted for.
Best Time to Call
On a typical weekday (Monday–Friday).
San Juan and Tokyo have little to no overlap in typical business hours (9 AM–5 PM) — an early morning or evening call works best for one side.
Frequently Asked Questions
- What is the time difference between San Juan and Tokyo?
- Tokyo is 14 hours ahead of San Juan. San Juan is currently UTC-5 and Tokyo is UTC+9.
- Is Tokyo ahead of or behind San Juan?
- Tokyo is ahead of San Juan.
- What is the best time to call Tokyo from San Juan?
- San Juan and Tokyo have little to no overlap in typical business hours (9 AM–5 PM), even on a weekday — an early morning or evening call works best for one side.
- What is the best time for a remote team standup between San Juan and Tokyo?
- San Juan and Tokyo have little to no live overlap in typical business hours, so a synchronous standup rarely works for both sides. Instead, treat 05:00 PM in San Juan (07:00 AM in Tokyo) — the end of San Juan's typical workday — as the async handoff point: write an end-of-day summary then, so the Tokyo team has full context when their day starts.
- Does the time difference between San Juan and Tokyo change during the year?
- No. Neither city's daylight saving schedule changes the offset between them.