Rapid City, SD to Chiang Mai: time difference
Chiang Mai is 13 h ahead of Rapid City, SD. 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.
Rapid City, SD 07:17 7:17 AM Chiang Mai 20:17 8:17 PM You –:–
07:17 7:17 AM
Mountain Daylight Time · UTC-6
☀️ 07:13 · 🌙 18:04
20:17 8:17 PM
Indochina Time · UTC+7
☀️ 06:20 · 🌙 18:00
·
+13 h
Chiang Mai is 13 h ahead of Rapid City, SD.
When you, Rapid City, SD and Chiang Mai are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇺🇸 Rapid City, SD
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
🇹🇭 Chiang Mai
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 11 11 AM 12 12 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
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Time zones side by side
| Detail | 🇺🇸 Rapid City, SD | 🇹🇭 Chiang Mai |
|---|---|---|
| Local time | 07:17 | 20:17 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | Mountain Daylight Time | Indochina Time |
| UTC offset | UTC-6 | UTC+7 |
| Offset from Rapid City, SD | — | +13 h |
| IANA zone | America/Denver | Asia/Bangkok |
| Daylight saving | On summer time → UTC-7, Nov 1, 01:00 | Not observed |
| Sunrise | 07:13 | 06:20 |
| Sunset | 18:04 | 18:00 |
| Daylight | 10 h 51 min | 11 h 40 min |
| People on this clock | 74,703 | 127,240 |
Compare Rapid City, SD with another city
More comparisons with Rapid City, SD: the time zones next to it and the far side of the clock.
Nearby time zones
Rapid City, SD and Chiang Mai: common questions
How many hours ahead of Rapid City, SD, is Chiang Mai?
The clocks in Chiang Mai are 13 hours ahead of those in Rapid City (UTC+7 and UTC−6).
If it is 9:00 AM in Rapid City, SD, what time is it in Chiang Mai?
At 9:00 AM in Rapid City, clocks in Chiang Mai show 10:00 PM.
What time is it in Chiang Mai when it is 6:00 PM in Rapid City, SD?
When it is 6:00 PM in Rapid City, it is 7:00 AM (the next day) in Chiang Mai.
Is there a time when both Rapid City, SD, and Chiang Mai are at work?
No, the working days (9:00 AM–6:00 PM) do not overlap. When the day starts in Rapid City at 9:00 AM, it is 10:00 PM in Chiang Mai; the day in Chiang Mai starts at 8:00 PM (the previous day) in Rapid City time.
When is it already the next day in Chiang Mai?
From 11:00 AM in Rapid City, SD, it is already the next day in Chiang Mai. The other way round, until 1:00 PM in Chiang Mai it is still the previous day in Rapid City.
Does the time gap between Rapid City, SD, and Chiang Mai change during the year?
Yes – daylight saving time is used in Rapid City but not in Chiang Mai. From November 1, 2026, Chiang Mai will be 14 hours ahead of Rapid City.
