Alton to Tokyo time converter
Tokyo is 8 hours ahead of Alton. When it is 9:00 AM in Alton, it is 5:00 PM in Tokyo.
11:26 AM in Alton, Tuesday, October 20, 2026
Alton to Tokyo conversion table
Every hour of today in Alton and the matching time in Tokyo. Light rows are typical working hours (9:00–18:00).
| Alton | Tokyo |
|---|---|
| 12:00 AM | 8:00 AM |
| 1:00 AM | 9:00 AM |
| 2:00 AM | 10:00 AM |
| 3:00 AM | 11:00 AM |
| 4:00 AM | 12:00 PM |
| 5:00 AM | 1:00 PM |
| 6:00 AM | 2:00 PM |
| 7:00 AM | 3:00 PM |
| 8:00 AM | 4:00 PM |
| 9:00 AM | 5:00 PM |
| 10:00 AM | 6:00 PM |
| 11:00 AM | 7:00 PM |
| 12:00 PM | 8:00 PM |
| 1:00 PM | 9:00 PM |
| 2:00 PM | 10:00 PM |
| 3:00 PM | 11:00 PM |
| 4:00 PM | 12:00 AM+1 day |
| 5:00 PM | 1:00 AM+1 day |
| 6:00 PM | 2:00 AM+1 day |
| 7:00 PM | 3:00 AM+1 day |
| 8:00 PM | 4:00 AM+1 day |
| 9:00 PM | 5:00 AM+1 day |
| 10:00 PM | 6:00 AM+1 day |
| 11:00 PM | 7:00 AM+1 day |
Best time to call or meet
Both sides are at work from 9:00 AM – 10:00 AM in Alton (5:00 PM – 6:00 PM in Tokyo).
Daylight saving time and the difference
The difference changes during the year because Alton and Tokyo switch clocks on different dates:
- Oct 20, 2026 – Oct 25, 2026: +8h
- Oct 25, 2026 – Mar 28, 2027: +9h
- Mar 28, 2027 – Oct 20, 2027: +8h
Distance
Alton and Tokyo are 9,623 km (5,979 miles) apart in a straight line.
More conversions
Questions and answers
What is the time difference between Alton and Tokyo?
Tokyo is 8 hours ahead of Alton.
What time is it in Tokyo when it is 9 AM in Alton?
When it is 9:00 AM in Alton, it is 5:00 PM in Tokyo.
When is the best time to call Tokyo from Alton?
Both sides are at work from 9:00 AM – 10:00 AM in Alton (5:00 PM – 6:00 PM in Tokyo).
Does the time difference between Alton and Tokyo change?
Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.