Does this converter handle daylight saving time?

Yes. The offset between Denver and Tokyo can change across the year as either zone enters or leaves DST. Pick any date in the converter and the exact offset for that date is used.

🇺🇸 Denver to Tokyo 🇯🇵 time converter

Convert any time from Denver (MT (MST/MDT)) to Tokyo (JST), with daylight saving handled correctly for the date you choose.

Tokyo is currently 15 hours ahead of Denver.

Denver: Sat, Jun 20, 2026, 12:29 PM UTC-06:00 (MDT) · Tokyo: Sun, Jun 21, 2026, 3:29 AM UTC+09:00 (GMT+9)

Denver 00h → 23hblue/green = 9am–6pm working hoursTokyo local hour

Convert Denver to Tokyo on any date

From zone

To zone

Date & time (in “from” zone)

Get this conversion as JSON (developer API)

curl "https://tz.wrapper-agency.com/api/v1/tz?from=America%2FDenver&to=Asia%2FTokyo&time=2008-11-04T09%3A00"

Free timezone API — no key during beta. DST-correct, IANA tz database.

Current offsets

🇺🇸 Denver	UTC-06:00
🇯🇵 Tokyo	UTC+09:00
Difference	+15h

FAQ

What time is it in Tokyo when it's noon in Denver?: Use the converter above — enter 12:00 on your date in Denver and you'll get the exact Tokyo local time, DST included.
Why does the time difference change during the year?: Denver and Tokyo may observe daylight saving on different schedules (or not at all), so the gap between them shifts on clock-change dates.