Rancho Cucamonga, CA to Chiang Mai: time difference
Chiang Mai is 14 h ahead of Rancho Cucamonga, CA. 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.
Rancho Cucamonga, CA 11:45 11:45 AM Chiang Mai 01:45 1:45 AM You –:–
11:45 11:45 AM
Pacific Daylight Time · UTC-7
☀️ 06:58 · 🌙 18:15
01:45 1:45 AM
Indochina Time · UTC+7
☀️ 06:19 · 🌙 18:01
·
+14 h
Chiang Mai is 14 h ahead of Rancho Cucamonga, CA.
When you, Rancho Cucamonga, CA and Chiang Mai are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇺🇸 Rancho Cucamonga, CA
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
🇹🇭 Chiang Mai
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 13 1 PM
📍 Your time
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Time zones side by side
| Detail | 🇺🇸 Rancho Cucamonga, CA | 🇹🇭 Chiang Mai |
|---|---|---|
| Local time | 11:45 | 01:45 |
| Local date | Saturday, October 17, 2026 | Sunday, October 18, 2026 |
| Time zone | Pacific Daylight Time | Indochina Time |
| UTC offset | UTC-7 | UTC+7 |
| Offset from Rancho Cucamonga, CA | — | +14 h |
| IANA zone | America/Los Angeles | Asia/Bangkok |
| Daylight saving | On summer time → UTC-8, Nov 1, 01:00 | Not observed |
| Sunrise | 06:58 | 06:19 |
| Sunset | 18:15 | 18:01 |
| Daylight | 11 h 17 min | 11 h 41 min |
| People on this clock | 170,714 | 127,240 |
Compare Rancho Cucamonga, CA with another city
More comparisons with Rancho Cucamonga, CA: the time zones next to it and the far side of the clock.
Nearby time zones
Rancho Cucamonga, CA and Chiang Mai: common questions
How many hours ahead of Rancho Cucamonga, CA, is Chiang Mai?
The clocks in Chiang Mai are 14 hours ahead of those in Rancho Cucamonga (UTC+7 and UTC−7).
What time is it in Chiang Mai at the start of the working day in Rancho Cucamonga, CA?
The working day in Rancho Cucamonga starts at 9:00 AM; in Chiang Mai it is 11:00 PM at that moment.
What time is it in Chiang Mai at the end of the working day in Rancho Cucamonga, CA?
The working day in Rancho Cucamonga ends at 6:00 PM; in Chiang Mai it is 8:00 AM (the next day) at that moment.
Is there a time when both Rancho Cucamonga, CA, and Chiang Mai are at work?
No, the working days (9:00 AM–6:00 PM) do not overlap. When the day starts in Rancho Cucamonga at 9:00 AM, it is 11:00 PM in Chiang Mai; the day in Chiang Mai starts at 7:00 PM (the previous day) in Rancho Cucamonga time.
From what time in Rancho Cucamonga, CA, is it tomorrow in Chiang Mai?
Once it is 10:00 AM in Rancho Cucamonga, the date in Chiang Mai has already changed. Until 2:00 PM in Chiang Mai, it is still the previous day in Rancho Cucamonga.
Does the time difference between Rancho Cucamonga, CA, and Chiang Mai change?
Yes. The clocks change only in Rancho Cucamonga. From November 1, 2026, Chiang Mai will be 15 hours ahead of Rancho Cucamonga.
