Phuket to O'Fallon, MO: time difference
O'Fallon, MO is 12 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 07:58 7:58 AM O'Fallon, MO 19:58 7:58 PM You –:–
07:58 7:58 AM
Indochina Time · UTC+7
☀️ 06:14 · 🌙 18:09
19:58 7:58 PM
Central Daylight Time · UTC-5
☀️ 07:19 · 🌙 18:17
·
−12 h
O'Fallon, MO is 12 h behind Phuket.
When you, Phuket and O'Fallon, MO 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
🇺🇸 O'Fallon, MO
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 11 11 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇹🇭 Phuket | 🇺🇸 O'Fallon, MO |
|---|---|---|
| Local time | 07:58 | 19:58 |
| Local date | Thursday, October 22, 2026 | Wednesday, October 21, 2026 |
| Time zone | Indochina Time | Central Daylight Time |
| UTC offset | UTC+7 | UTC-5 |
| Offset from Phuket | — | −12 h |
| IANA zone | Asia/Bangkok | America/Chicago |
| Daylight saving | Not observed | On summer time → UTC-6, Nov 1, 01:00 |
| Sunrise | 06:14 | 07:19 |
| Sunset | 18:09 | 18:17 |
| Daylight | 11 h 55 min | 10 h 59 min |
| People on this clock | 79,308 | 94,074 |
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 O'Fallon, MO: common questions
What is the time difference between Phuket and O'Fallon, MO?
O'Fallon is 12 hours behind: it uses UTC−5, while Phuket is on UTC+7.
What time is it in O'Fallon, MO, when it is 9:00 AM in Phuket?
When it is 9:00 AM in Phuket, it is 9:00 PM (the previous day) in O'Fallon.
What time is it in O'Fallon, MO, when it is 6:00 PM in Phuket?
When it is 6:00 PM in Phuket, it is 6:00 AM in O'Fallon.
When do working hours in Phuket and in O'Fallon, MO, overlap?
They don't: there are no shared working hours. The start of the day in Phuket (9:00 AM) is 9:00 PM (the previous day) in O'Fallon, and the start of the day in O'Fallon is 9:00 PM in Phuket.
When is it still the previous day in O'Fallon, MO?
Until 12:00 PM in Phuket it is still the previous day in O'Fallon. The other way round, from 12:00 PM in O'Fallon it is already the next day in Phuket.
Does the time difference between Phuket and O'Fallon, MO, change?
Yes. The clocks change only in O'Fallon. From November 1, 2026, O'Fallon will be 13 hours behind Phuket.
