Chiang Mai to Royersford, PA: time difference
Royersford, PA 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 10:04 10:04 AM Royersford, PA 23:04 11:04 PM You –:–
10:04 10:04 AM
Indochina Time · UTC+7
☀️ 06:21 · 🌙 17:58
23:04 11:04 PM
Eastern Daylight Time · UTC-4
☀️ 07:20 · 🌙 18:15
·
−11 h
Royersford, PA is 11 h behind Chiang Mai.
When you, Chiang Mai and Royersford, PA 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
🇺🇸 Royersford, PA
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 | 🇺🇸 Royersford, PA |
|---|---|---|
| Local time | 10:04 | 23:04 |
| Local date | Thursday, October 22, 2026 | Wednesday, October 21, 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 | 06:21 | 07:20 |
| Sunset | 17:58 | 18:15 |
| Daylight | 11 h 37 min | 10 h 55 min |
| People on this clock | 127,240 | 4,800 |
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 Royersford, PA: common questions
How far behind Chiang Mai is Royersford, PA?
Royersford is 11 hours behind Chiang Mai: UTC−4 against UTC+7.
What time is it in Royersford, PA, at the start of the working day in Chiang Mai?
The working day in Chiang Mai starts at 9:00 AM; in Royersford it is 10:00 PM (the previous day) at that moment.
If it is 6:00 PM in Chiang Mai, what time is it in Royersford, PA?
At 6:00 PM in Chiang Mai, clocks in Royersford show 7:00 AM.
Is there a time when both Chiang Mai and Royersford, PA, are at work?
No, the working days (9:00 AM–6:00 PM) do not overlap. When the day starts in Chiang Mai at 9:00 AM, it is 10:00 PM (the previous day) in Royersford; the day in Royersford starts at 8:00 PM in Chiang Mai time.
Until what time in Chiang Mai is it still yesterday in Royersford, PA?
Before 11:00 AM in Chiang Mai, the date in Royersford has not changed yet. From 1:00 PM in Royersford, it is already the next day in Chiang Mai.
Does the time gap between Chiang Mai and Royersford, PA, change during the year?
Yes – daylight saving time is used in Royersford but not in Chiang Mai. From November 1, 2026, Royersford will be 12 hours behind Chiang Mai.
