Time Difference Between Japan and United States
As of 31 August 2026, United States is 13 hours behind Japan. That number is not constant. Over the course of a year, because of daylight saving changes, New York, United States ranges from 14 hours behind to 13 hours behind relative to Tokyo, Japan. The calculator below is always up to date.
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Tokyo, Japan
07:34
Tue, Sep 1, 2026
UTC+9 · Asia/Tokyo
New York, United States
-13h18:34
Mon, Aug 31, 2026
UTC-4 · EDT · America/New_York
United States is 13 hours behind Japan.
When it is 07:34 in Japan, it is already the previous day in United States.
Time zone details
| Place | Local date | Time zone | UTC offset | Summer time |
|---|---|---|---|---|
| Japan | Tuesday, September 1, 2026 | Asia/Tokyo | UTC+9 | Not observed |
| United States | Monday, August 31, 2026 | EDTAmerica/New_York | UTC-4 | Active now |
United States: The United States spans six main time zones. This page uses Eastern Time; Pacific Time is 3 hours behind it.
Hour by hour: Japan to United States
Every hour of today in Japan and what it is in United States. Highlighted rows fall inside United States working hours (09:00–18:00).
| Japan | United States |
|---|---|
| 00:00 | 11:00prev day |
| 01:00 | 12:00prev day |
| 02:00 | 13:00prev day |
| 03:00 | 14:00prev day |
| 04:00 | 15:00prev day |
| 05:00 | 16:00prev day |
| 06:00 | 17:00prev day |
| 07:00 | 18:00prev day |
| 08:00 | 19:00prev day |
| 09:00 | 20:00prev day |
| 10:00 | 21:00prev day |
| 11:00 | 22:00prev day |
| Japan | United States |
|---|---|
| 12:00 | 23:00prev day |
| 13:00 | 00:00 |
| 14:00 | 01:00 |
| 15:00 | 02:00 |
| 16:00 | 03:00 |
| 17:00 | 04:00 |
| 18:00 | 05:00 |
| 19:00 | 06:00 |
| 20:00 | 07:00 |
| 21:00 | 08:00 |
| 22:00 | 09:00 |
| 23:00 | 10:00 |
Best time to call or meet
Overlapping working hours
No overlap
Standard working hours in Japan and United States never overlap. Someone has to start early or finish late — the calling window below is the practical compromise.
Reasonable calling hours
08:00–10:00 in Japan (19:00–21:00 in United States)
Both people are awake and available between 08:00 and 21:00 local time during this window.
When this difference changes
United States puts its clocks back on Sunday, November 1, 2026
The local offset moves from UTC-4 to UTC-5. After that date, United States is 14 hours behind Japan — instead of 13 hours behind, as it is today.
Planning something with more than two places?
Adding a third city usually kills the obvious answer. The Meeting Time Finder takes up to five cities at once and shows only the hours that work for everybody.
Japan and United States: common questions
What is the time difference between Japan and United States?
As of 31 August 2026, United States is 13 hours behind Japan. The gap is not fixed: across the year, United States ranges from 14 hours behind to 13 hours behind relative to Japan, as clocks change. The calculator on this page always shows the difference for right now.
When it is 9:00 AM in Japan, what time is it in United States?
It is 08:00 PM in New York, United States. Use the time field in the calculator above to check any other hour.
Is United States ahead of or behind Japan?
United States is behind Japan by 13 hours at the moment. In practical terms, the working day in United States starts and ends later in Japan terms.
Do Japan and United States observe daylight saving time?
United States changes its clocks twice a year; Japan does not. The difference therefore shifts by an hour when United States switches: across the year, United States ranges from 14 hours behind to 13 hours behind relative to Japan.
What is the best time to call United States from Japan?
Standard working hours in Japan and United States do not overlap at all, so one side has to take the call outside office hours. Early morning in Japan or late evening is usually the least disruptive option.
Related comparisons
Local dates shown for Tokyo, Japan (UTC+9) and New York, United States (UTC-4) were generated on Monday, August 31, 2026 UTC and refresh in your browser.