Washington D.C. zone
EDT (GMT-4)
Tokyo zone
GMT+9 (GMT+9)
Difference
13 hours ahead of Washington D.C.
Business overlap
No 9-5 overlap
Working hours overlap
Each cell is one hour in Washington D.C.. Filled cells mark when 9 AM – 5 PM in Washington D.C. and Tokyo both apply.
0 hours per day
- Washington D.C.
- GMT-4
- Tokyo
- GMT+9
- Difference
- +13h
- Business overlap
- 0h
Hour-by-hour conversion
Each row shows the matching local time in Tokyo for an hour in Washington D.C..
| Washington D.C. | Tokyo | Day | Window |
|---|---|---|---|
| 12:00 AM | 1:00 PM | same day | — |
| 1:00 AM | 2:00 PM | same day | — |
| 2:00 AM | 3:00 PM | same day | — |
| 3:00 AM | 4:00 PM | same day | — |
| 4:00 AM | 5:00 PM | same day | — |
| 5:00 AM | 6:00 PM | same day | — |
| 6:00 AM | 7:00 PM | same day | — |
| 7:00 AM | 8:00 PM | same day | — |
| 8:00 AM | 9:00 PM | same day | — |
| 9:00 AM | 10:00 PM | same day | — |
| 10:00 AM | 11:00 PM | same day | — |
| 11:00 AM | 12:00 AM | next day | — |
| 12:00 PM | 1:00 AM | next day | — |
| 1:00 PM | 2:00 AM | next day | — |
| 2:00 PM | 3:00 AM | next day | — |
| 3:00 PM | 4:00 AM | next day | — |
| 4:00 PM | 5:00 AM | next day | — |
| 5:00 PM | 6:00 AM | next day | — |
| 6:00 PM | 7:00 AM | next day | — |
| 7:00 PM | 8:00 AM | next day | — |
| 8:00 PM | 9:00 AM | next day | — |
| 9:00 PM | 10:00 AM | next day | — |
| 10:00 PM | 11:00 AM | next day | — |
| 11:00 PM | 12:00 PM | next day | — |
Best meeting windows
Standard 9 AM – 5 PM hours in Washington D.C. and Tokyo do not overlap. Plan calls for early Washington D.C. morning or late Washington D.C. evening, and rotate the burden between sides.
Tighter overlap is achievable by having the side with later working hours start earlier, or by treating the first and last hours of each side as flexible. The bar above marks every hour where both cities sit inside a 9 AM – 5 PM window.
About converting Washington D.C. time to Tokyo time
Washington D.C. follows the America/New_York time zone (currently EDT, GMT-4), while Tokyo follows Asia/Tokyo (currently GMT+9, GMT+9). Tokyo is 13 hours ahead of Washington D.C. right now.
Washington D.C. observes daylight saving time, while Tokyo does not. The offset between the two cities changes by one hour at the daylight saving transitions.
Daylight saving transitions in 2026
Washington D.C.
- Spring forward · Sunday, March 8, 2026
- Fall back · Sunday, November 1, 2026
Tokyo
Does not observe daylight saving time.
Reverse this conversion
Tokyo to Washington D.C.
Open the converter
Plan a meeting between Washington D.C. and Tokyo
More conversions from Washington D.C.
Frequently asked questions
- How many hours is Washington D.C. from Tokyo?
- Tokyo is 13 hours ahead of Washington D.C. right now.
- What time is 9:00 AM Washington D.C. in Tokyo?
- 9:00 AM in Washington D.C. is 10:00 PM in Tokyo.
- What time is 5:00 PM Washington D.C. in Tokyo?
- 5:00 PM in Washington D.C. is 6:00 AM (next day) in Tokyo.
- When do Washington D.C. and Tokyo business hours overlap?
- Standard 9 AM - 5 PM working hours in Washington D.C. and Tokyo do not overlap. You will need an early or late call.
- Does daylight saving time change the difference between Washington D.C. and Tokyo?
- Washington D.C. observes daylight saving time while Tokyo does not, so the offset between them changes by one hour twice a year.
Local time page
Time in Washington D.C.
Local time page
Time in Tokyo