Phuket to Ontario, CA: time difference
Ontario, CA is 14 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 03:31 3:31 AM Ontario, CA 13:31 1:31 PM You –:–
03:31 3:31 AM
Indochina Time · UTC+7
☀️ 06:14 · 🌙 18:10
13:31 1:31 PM
Pacific Daylight Time · UTC-7
☀️ 06:58 · 🌙 18:15
·
−14 h
Ontario, CA is 14 h behind Phuket.
When you, Phuket and Ontario, CA 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
🇺🇸 Ontario, CA
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 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇹🇭 Phuket | 🇺🇸 Ontario, CA |
|---|---|---|
| Local time | 03:31 | 13:31 |
| Local date | Sunday, October 18, 2026 | Saturday, October 17, 2026 |
| Time zone | Indochina Time | Pacific Daylight Time |
| UTC offset | UTC+7 | UTC-7 |
| Offset from Phuket | — | −14 h |
| IANA zone | Asia/Bangkok | America/Los Angeles |
| Daylight saving | Not observed | On summer time → UTC-8, Nov 1, 01:00 |
| Sunrise | 06:14 | 06:58 |
| Sunset | 18:10 | 18:15 |
| Daylight | 11 h 56 min | 11 h 17 min |
| People on this clock | 79,308 | 185,000 |
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 Ontario, CA: common questions
How far behind Phuket is Ontario, CA?
Ontario is 14 hours behind Phuket: UTC−7 against UTC+7.
If it is 9:00 AM in Phuket, what time is it in Ontario, CA?
At 9:00 AM in Phuket, clocks in Ontario show 7:00 PM (the previous day).
What time is it in Ontario, CA, when it is 6:00 PM in Phuket?
When it is 6:00 PM in Phuket, it is 4:00 AM in Ontario.
When do working hours in Phuket and in Ontario, CA, overlap?
They don't: there are no shared working hours. The start of the day in Phuket (9:00 AM) is 7:00 PM (the previous day) in Ontario, and the start of the day in Ontario is 11:00 PM in Phuket.
Until what time in Phuket is it still yesterday in Ontario, CA?
Before 2:00 PM in Phuket, the date in Ontario has not changed yet. From 10:00 AM in Ontario, it is already the next day in Phuket.
Does the time gap between Phuket and Ontario, CA, change during the year?
Yes – daylight saving time is used in Ontario but not in Phuket. From November 1, 2026, Ontario will be 15 hours behind Phuket.
