🇯🇵 Tokyo ↔ 🇺🇸 Philadelphia
Tokyo is usually 13 hours ahead of Philadelphia. Philadelphia observes daylight saving time and Tokyo does not, so the difference shifts by an hour around the changeovers.
Sunrise 4:27 AMSunset 7:01 PM(local)
Sunrise 5:34 AMSunset 8:34 PM(local)
🇯🇵 Tokyo
Dialing code+81
Population9,733,276
Coordinates35.69°N, 139.69°E
Elevation44 m
🇺🇸 Philadelphia
Dialing code+1
Population1,573,916
Coordinates39.95°N, 75.16°W
Elevation12 m
No comfortable common working hours — these cities barely overlap.
Working hours assumed 9:00–18:00.
Frequently asked questions
- What is the time difference between Tokyo and Philadelphia?
- Tokyo is 13 hours ahead of Philadelphia. Use the side-by-side clocks and the day/night strips above to convert any hour between them.
- When is the best time to call between Tokyo and Philadelphia?
- There is no hour when standard working hours (9:00–18:00) overlap in both Tokyo and Philadelphia, so any call falls outside business hours for at least one side.
- Why does the time difference between Tokyo and Philadelphia change?
- Because at least one of Tokyo and Philadelphia observes daylight saving time, the difference shifts by an hour when one city changes its clocks and the other has not yet (or does not).