Time difference between Tokyo and Fort Collins
−15 hFort Collins is 15 hours behind Tokyo.
Observatory log
Tokyo and Fort Collins, compared
- 01Difference now
Fort Collins is 15 hours behind Tokyo.
Tokyo: JST (UTC+9) · Fort Collins: MDT (UTC−6)
Next changeFrom 1 November 2026: Fort Collins is 16 hours behind Tokyo.
- 02Through 2026–2027
- 1 January 2026 – 8 March 2026−16 h
- 8 March 2026 – 1 November 2026−15 h
- 1 November 2026 – 14 March 2027−16 h
- 14 March 2027 – 7 November 2027−15 h
- 7 November 2027 – 31 December 2027−16 h
Difference of Fort Collins from Tokyo. It changes on the days either place changes its clocks (dates local to that place).
- 03Shared working hours
Their working days never overlap.
Counted as 09:00–17:00 local time on each place’s own working days, for the next seven days.
- 04Best time to meet
09:00–13:00 in Tokyo = 18:00–22:00 in Fort Collins
No shared office hours: this is early or late for one side (Tue–Fri).
Also possible: Tue–Fri: 06:00–08:00 in Tokyo = 15:00–17:00 in Fort Collins (yesterday) · 2 h.
- 05Weekend
Tokyo: Saturday and Sunday
Fort Collins: Saturday and Sunday
24 hours
A day in Tokyo, in Fort Collins
| Tokyo | Fort Collins | Working hours, evening, night or weekend in each place |
|---|---|---|
| 00:00 | 09:00Yesterday | |
| 01:00 | 10:00Yesterday | |
| 02:00 | 11:00Yesterday | |
| 03:00 | 12:00Yesterday | |
| 04:00 | 13:00Yesterday | |
| 05:00 | 14:00Yesterday | |
| 06:00 | 15:00Yesterday | |
| 07:00 | 16:00Yesterday | |
| 08:00 | 17:00Yesterday | |
| 09:00 | 18:00Yesterday | |
| 10:00 | 19:00Yesterday | |
| 11:00 | 20:00Yesterday | |
| 12:00 | 21:00Yesterday | |
| 13:00 | 22:00Yesterday | |
| 14:00 | 23:00Yesterday | |
| 15:00 | 00:00 | |
| 16:00 | 01:00 | |
| 17:00 | 02:00 | |
| 18:00 | 03:00 | |
| 19:00 | 04:00 | |
| 20:00 | 05:00 | |
| 21:00 | 06:00 | |
| 22:00 | 07:00 | |
| 23:00 | 08:00 |
Working hoursEarly or eveningNightWeekend
Plan a meeting: Tokyo and Fort Collins
More time differences with Tokyo
Questions
Asked about Tokyo and Fort Collins
What is the time difference between Tokyo and Fort Collins?
Fort Collins is 15 hours behind Tokyo. This holds until 1 November 2026; then Fort Collins is 16 hours behind Tokyo.
What is the best time for a call between Tokyo and Fort Collins?
No shared office hours. The least awkward windows, early or late for one side: Tue–Fri: 09:00–13:00 in Tokyo = 18:00–22:00 in Fort Collins (yesterday) · 4 h; Tue–Fri: 06:00–08:00 in Tokyo = 15:00–17:00 in Fort Collins (yesterday) · 2 h.
When does the time difference between Tokyo and Fort Collins change?
In the next 12 months it changes on: 1 November 2026 (−16 h); 14 March 2027 (−15 h).