Chiang Mai to Rapid City, SD: time difference
Rapid City, SD is 13 h behind Chiang Mai. Live clocks for both, the working hours they share, and how each one sits against your own time.
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Chiang Mai 00:54 12:54 AM Rapid City, SD 11:54 11:54 AM You –:–
00:54 12:54 AM
Indochina Time · UTC+7
☀️ 06:20 · 🌙 17:59
11:54 11:54 AM
Mountain Daylight Time · UTC-6
☀️ 07:13 · 🌙 18:04
·
−13 h
Rapid City, SD is 13 h behind Chiang Mai.
When you, Chiang Mai and Rapid City, SD are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇹🇭 Chiang Mai
0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM
🇺🇸 Rapid City, SD
11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM 0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇹🇭 Chiang Mai | 🇺🇸 Rapid City, SD |
|---|---|---|
| Local time | 00:54 | 11:54 |
| Local date | Tuesday, October 20, 2026 | Monday, October 19, 2026 |
| Time zone | Indochina Time | Mountain Daylight Time |
| UTC offset | UTC+7 | UTC-6 |
| Offset from Chiang Mai | — | −13 h |
| IANA zone | Asia/Bangkok | America/Denver |
| Daylight saving | Not observed | On summer time → UTC-7, Nov 1, 01:00 |
| Sunrise | 06:20 | 07:13 |
| Sunset | 17:59 | 18:04 |
| Daylight | 11 h 39 min | 10 h 51 min |
| People on this clock | 127,240 | 74,703 |
Compare Chiang Mai with another city
More comparisons with Chiang Mai: the time zones next to it and the far side of the clock.
Big time differences
Chiang Mai and Rapid City, SD: common questions
How far behind Chiang Mai is Rapid City, SD?
Rapid City is 13 hours behind Chiang Mai: UTC−6 against UTC+7.
What time is it in Rapid City, SD, when it is 9:00 AM in Chiang Mai?
When it is 9:00 AM in Chiang Mai, it is 8:00 PM (the previous day) in Rapid City.
What time is it in Rapid City, SD, at the end of the working day in Chiang Mai?
The working day in Chiang Mai ends at 6:00 PM; in Rapid City it is 5:00 AM at that moment.
When is a good time to call Rapid City, SD, from Chiang Mai?
Working hours (9:00 AM–6:00 PM) in Chiang Mai and in Rapid City do not overlap. At 9:00 AM in Chiang Mai it is 8:00 PM (the previous day) in Rapid City; when the working day starts in Rapid City, it is 10:00 PM in Chiang Mai.
When does the date change in Rapid City, SD, compared with Chiang Mai?
The new day starts in Rapid City later: until 1:00 PM in Chiang Mai, it is still the previous day there. From 11:00 AM in Rapid City, Chiang Mai is already on the next day.
Is the time difference between Chiang Mai and Rapid City, SD, the same all year?
No. Only Rapid City switches to summer time, so the gap changes twice a year. From November 1, 2026, Rapid City will be 14 hours behind Chiang Mai.
