Phuket to O'Fallon, IL: time difference
O'Fallon, IL 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, IL 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
☀️ 07:15 · 🌙 18:15
·
−12 h
O'Fallon, IL is 12 h behind Phuket.
When you, Phuket and O'Fallon, IL 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, IL
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, IL |
|---|---|---|
| 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 | 07:15 |
| Sunset | 18:09 | 18:15 |
| 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, IL: common questions
What is the time difference between Phuket and O'Fallon, IL?
O'Fallon is 12 hours behind: it uses UTC−5, while Phuket is on UTC+7.
What time is it in O'Fallon, IL, 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, IL, 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, IL, 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 does the date change in O'Fallon, IL, compared with Phuket?
The new day starts in O'Fallon later: until 12:00 PM in Phuket, it is still the previous day there. From 12:00 PM in O'Fallon, Phuket is already on the next day.
Does the time gap between Phuket and O'Fallon, IL, change during the year?
Yes – daylight saving time is used in O'Fallon but not in Phuket. From November 1, 2026, O'Fallon will be 13 hours behind Phuket.
