Denver zone
MDT (GMT-6)
Tokyo zone
GMT+9 (GMT+9)
Difference
15 hours ahead of Denver
Business overlap
No 9-5 overlap
Working hours overlap
Each cell is one hour in Denver. Filled cells mark when 9 AM – 5 PM in Denver and Tokyo both apply.
0 hours per day
- Denver
- GMT-6
- Tokyo
- GMT+9
- Difference
- +15h
- Business overlap
- 0h
Hour-by-hour conversion
Each row shows the matching local time in Tokyo for an hour in Denver.
| Denver | Tokyo | Day | Window |
|---|---|---|---|
| 12:00 AM | 3:00 PM | same day | — |
| 1:00 AM | 4:00 PM | same day | — |
| 2:00 AM | 5:00 PM | same day | — |
| 3:00 AM | 6:00 PM | same day | — |
| 4:00 AM | 7:00 PM | same day | — |
| 5:00 AM | 8:00 PM | same day | — |
| 6:00 AM | 9:00 PM | same day | — |
| 7:00 AM | 10:00 PM | same day | — |
| 8:00 AM | 11:00 PM | same day | — |
| 9:00 AM | 12:00 AM | next day | — |
| 10:00 AM | 1:00 AM | next day | — |
| 11:00 AM | 2:00 AM | next day | — |
| 12:00 PM | 3:00 AM | next day | — |
| 1:00 PM | 4:00 AM | next day | — |
| 2:00 PM | 5:00 AM | next day | — |
| 3:00 PM | 6:00 AM | next day | — |
| 4:00 PM | 7:00 AM | next day | — |
| 5:00 PM | 8:00 AM | next day | — |
| 6:00 PM | 9:00 AM | next day | — |
| 7:00 PM | 10:00 AM | next day | — |
| 8:00 PM | 11:00 AM | next day | — |
| 9:00 PM | 12:00 PM | next day | — |
| 10:00 PM | 1:00 PM | next day | — |
| 11:00 PM | 2:00 PM | next day | — |
Best meeting windows
Standard 9 AM – 5 PM hours in Denver and Tokyo do not overlap. Plan calls for early Denver morning or late Denver 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 Denver time to Tokyo time
Denver follows the America/Denver time zone (currently MDT, GMT-6), while Tokyo follows Asia/Tokyo (currently GMT+9, GMT+9). Tokyo is 15 hours ahead of Denver right now.
Denver 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
Denver
- Spring forward · Sunday, March 8, 2026
- Fall back · Sunday, November 1, 2026
Tokyo
Does not observe daylight saving time.
Reverse this conversion
Tokyo to Denver
Open the converter
Plan a meeting between Denver and Tokyo
More conversions from Denver
Frequently asked questions
- How many hours is Denver from Tokyo?
- Tokyo is 15 hours ahead of Denver right now.
- What time is 9:00 AM Denver in Tokyo?
- 9:00 AM in Denver is 12:00 AM (next day) in Tokyo.
- What time is 5:00 PM Denver in Tokyo?
- 5:00 PM in Denver is 8:00 AM (next day) in Tokyo.
- When do Denver and Tokyo business hours overlap?
- Standard 9 AM - 5 PM working hours in Denver and Tokyo do not overlap. You will need an early or late call.
- Does daylight saving time change the difference between Denver and Tokyo?
- Denver 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 Denver
Local time page
Time in Tokyo