Chiang Mai to Port Jefferson Station, NY: time difference
Port Jefferson Station, NY is 11 h behind Chiang Mai. Live clocks for both, the working hours they share, and how each one sits against your own time.
🇺🇸 Port Jefferson Station, NY, United States
36
- EDT
- UTC-4
- Golden hour
☀️ 07:19 · 🌙 17:55 · 10 h 36 min
−11 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Chiang Mai 03:47 3:47 AM Port Jefferson Station, NY 16:47 4:47 PM You –:–
03:47 3:47 AM
Indochina Time · UTC+7
☀️ 06:23 · 🌙 17:54
16:47 4:47 PM
Eastern Daylight Time · UTC-4
☀️ 07:19 · 🌙 17:55
·
−11 h
Port Jefferson Station, NY is 11 h behind Chiang Mai.
When you, Chiang Mai and Port Jefferson Station, NY 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 Jefferson Station, NY
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 Jefferson Station, NY |
|---|---|---|
| Local time | 03:47 | 16:47 |
| Local date | Thursday, October 29, 2026 | Wednesday, October 28, 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 | 06:23 | 07:19 |
| Sunset | 17:54 | 17:55 |
| Daylight | 11 h 30 min | 10 h 36 min |
| People on this clock | 127,240 | 8,000 |
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 Jefferson Station, NY: common questions
How many hours behind Chiang Mai is Port Jefferson Station, NY?
The clocks in Port Jefferson Station are 11 hours behind those in Chiang Mai (UTC−4 and UTC+7).
What time is it in Port Jefferson Station, NY, when it is 9:00 AM in Chiang Mai?
When it is 9:00 AM in Chiang Mai, it is 10:00 PM (the previous day) in Port Jefferson Station.
What time is it in Port Jefferson Station, NY, at the end of the working day in Chiang Mai?
The working day in Chiang Mai ends at 6:00 PM; in Port Jefferson Station it is 7:00 AM at that moment.
When is a good time to call Port Jefferson Station, NY, from Chiang Mai?
Working hours (9:00 AM–6:00 PM) in Chiang Mai and in Port Jefferson Station do not overlap. At 9:00 AM in Chiang Mai it is 10:00 PM (the previous day) in Port Jefferson Station; when the working day starts in Port Jefferson Station, it is 8:00 PM in Chiang Mai.
Until what time in Chiang Mai is it still yesterday in Port Jefferson Station, NY?
Before 11:00 AM in Chiang Mai, the date in Port Jefferson Station has not changed yet. From 1:00 PM in Port Jefferson Station, it is already the next day in Chiang Mai.
Is the time difference between Chiang Mai and Port Jefferson Station, NY, the same all year?
No. Only Port Jefferson Station switches to summer time, so the gap changes twice a year. From November 1, 2026, Port Jefferson Station will be 12 hours behind Chiang Mai.
