Phuket to Union City, CA: time difference
Union City, 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 15:04 3:04 PM Union City, CA 01:04 1:04 AM You –:–
15:04 3:04 PM
Indochina Time · UTC+7
☀️ 06:14 · 🌙 18:09
01:04 1:04 AM
Pacific Daylight Time · UTC-7
☀️ 07:23 · 🌙 18:24
·
−14 h
Union City, CA is 14 h behind Phuket.
When you, Phuket and Union City, 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
🇺🇸 Union City, 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 | 🇺🇸 Union City, CA |
|---|---|---|
| Local time | 15:04 | 01:04 |
| Local date | Thursday, October 22, 2026 | Thursday, October 22, 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 | 07:23 |
| Sunset | 18:09 | 18:24 |
| Daylight | 11 h 55 min | 11 h 1 min |
| People on this clock | 79,308 | 63,930 |
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 Union City, CA: common questions
How many hours behind Phuket is Union City, CA?
The clocks in Union City are 14 hours behind those in Phuket (UTC−7 and UTC+7).
What time is it in Union City, CA, when it is 9:00 AM in Phuket?
When it is 9:00 AM in Phuket, it is 7:00 PM (the previous day) in Union City.
What time is it in Union City, CA, when it is 6:00 PM in Phuket?
When it is 6:00 PM in Phuket, it is 4:00 AM in Union City.
Is there a time when both Phuket and Union City, CA, are at work?
No, the working days (9:00 AM–6:00 PM) do not overlap. When the day starts in Phuket at 9:00 AM, it is 7:00 PM (the previous day) in Union City; the day in Union City starts at 11:00 PM in Phuket time.
When does the date change in Union City, CA, compared with Phuket?
The new day starts in Union City later: until 2:00 PM in Phuket, it is still the previous day there. From 10:00 AM in Union City, Phuket is already on the next day.
Is the time difference between Phuket and Union City, CA, the same all year?
No. Only Union City switches to summer time, so the gap changes twice a year. From November 1, 2026, Union City will be 15 hours behind Phuket.
