Chiang Mai to Port St Lucie, FL: time difference
Port St Lucie, FL is 11 h behind Chiang Mai. 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.
Chiang Mai 07:34 7:34 AM Port St Lucie, FL 20:34 8:34 PM You –:–
07:34 7:34 AM
Indochina Time · UTC+7
☀️ 06:18 · 🌙 18:05
20:34 8:34 PM
Eastern Daylight Time · UTC-4
☀️ 07:20 · 🌙 18:58
·
−11 h
Port St Lucie, FL is 11 h behind Chiang Mai.
When you, Chiang Mai and Port St Lucie, FL are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇹🇭 Chiang Mai
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
🇺🇸 Port St Lucie, FL
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 12 12 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇹🇭 Chiang Mai | 🇺🇸 Port St Lucie, FL |
|---|---|---|
| Local time | 07:34 | 20:34 |
| Local date | Monday, October 12, 2026 | Sunday, October 11, 2026 |
| Time zone | Indochina Time | Eastern Daylight Time |
| UTC offset | UTC+7 | UTC-4 |
| Offset from Chiang Mai | — | −11 h |
| IANA zone | Asia/Bangkok | America/New York |
| Daylight saving | Not observed | On summer time → UTC-5, Nov 1, 01:00 |
| Sunrise | 06:18 | 07:20 |
| Sunset | 18:05 | 18:58 |
| Daylight | 11 h 47 min | 11 h 38 min |
| People on this clock | 127,240 | 164,603 |
Compare Chiang Mai with another city
More comparisons with Chiang Mai: the time zones next to it and the far side of the clock.
Big time differences
Chiang Mai and Port St Lucie, FL: common questions
How far behind Chiang Mai is Port St Lucie, FL?
Port St Lucie is 11 hours behind Chiang Mai: UTC−4 against UTC+7.
If it is 9:00 AM in Chiang Mai, what time is it in Port St Lucie, FL?
At 9:00 AM in Chiang Mai, clocks in Port St Lucie show 10:00 PM (the previous day).
If it is 6:00 PM in Chiang Mai, what time is it in Port St Lucie, FL?
At 6:00 PM in Chiang Mai, clocks in Port St Lucie show 7:00 AM.
When do working hours in Chiang Mai and in Port St Lucie, FL, overlap?
They don't: there are no shared working hours. The start of the day in Chiang Mai (9:00 AM) is 10:00 PM (the previous day) in Port St Lucie, and the start of the day in Port St Lucie is 8:00 PM in Chiang Mai.
Until what time in Chiang Mai is it still yesterday in Port St Lucie, FL?
Before 11:00 AM in Chiang Mai, the date in Port St Lucie has not changed yet. From 1:00 PM in Port St Lucie, it is already the next day in Chiang Mai.
Is the time difference between Chiang Mai and Port St Lucie, FL, the same all year?
No. Only Port St Lucie switches to summer time, so the gap changes twice a year. From November 1, 2026, Port St Lucie will be 12 hours behind Chiang Mai.
