Phuket to Rapid City, SD: time difference
Rapid City, SD is 13 h behind Phuket. 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.
Phuket 01:10 1:10 AM Rapid City, SD 12:10 12:10 PM You –:–
01:10 1:10 AM
Indochina Time · UTC+7
☀️ 06:14 · 🌙 18:10
12:10 12:10 PM
Mountain Daylight Time · UTC-6
☀️ 07:13 · 🌙 18:04
·
−13 h
Rapid City, SD is 13 h behind Phuket.
When you, Phuket 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
🇹🇭 Phuket
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 | 🇹🇭 Phuket | 🇺🇸 Rapid City, SD |
|---|---|---|
| Local time | 01:10 | 12:10 |
| 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 Phuket | — | −13 h |
| IANA zone | Asia/Bangkok | America/Denver |
| Daylight saving | Not observed | On summer time → UTC-7, Nov 1, 01:00 |
| Sunrise | 06:14 | 07:13 |
| Sunset | 18:10 | 18:04 |
| Daylight | 11 h 55 min | 10 h 51 min |
| People on this clock | 79,308 | 74,703 |
Compare Phuket with another city
More comparisons with Phuket: the time zones next to it and the far side of the clock.
Big time differences
Phuket and Rapid City, SD: common questions
How many hours behind Phuket is Rapid City, SD?
The clocks in Rapid City are 13 hours behind those in Phuket (UTC−6 and UTC+7).
What time is it in Rapid City, SD, when it is 9:00 AM in Phuket?
When it is 9:00 AM in Phuket, it is 8:00 PM (the previous day) in Rapid City.
If it is 6:00 PM in Phuket, what time is it in Rapid City, SD?
At 6:00 PM in Phuket, clocks in Rapid City show 5:00 AM.
When do working hours in Phuket and in Rapid City, SD, overlap?
They don't: there are no shared working hours. The start of the day in Phuket (9:00 AM) is 8:00 PM (the previous day) in Rapid City, and the start of the day in Rapid City is 10:00 PM in Phuket.
When is it still the previous day in Rapid City, SD?
Until 1:00 PM in Phuket it is still the previous day in Rapid City. The other way round, from 11:00 AM in Rapid City it is already the next day in Phuket.
Is the time difference between Phuket 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 Phuket.
