Ubud, Bali to San Mateo, CA: time difference
San Mateo, CA is 15 h behind Ubud, Bali. 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.
Ubud, Bali 16:25 4:25 PM San Mateo, CA 01:25 1:25 AM You –:–
16:25 4:25 PM
Central Indonesia Time · UTC+8
☀️ 05:56 · 🌙 18:14
01:25 1:25 AM
Pacific Daylight Time · UTC-7
☀️ 07:21 · 🌙 18:29
·
−15 h
San Mateo, CA is 15 h behind Ubud, Bali.
When you, Ubud, Bali and San Mateo, 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
🇮🇩 Ubud, Bali
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
🇺🇸 San Mateo, CA
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 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇮🇩 Ubud, Bali | 🇺🇸 San Mateo, CA |
|---|---|---|
| Local time | 16:25 | 01:25 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Central Indonesia Time | Pacific Daylight Time |
| UTC offset | UTC+8 | UTC-7 |
| Offset from Ubud, Bali | — | −15 h |
| IANA zone | Asia/Makassar | America/Los Angeles |
| Daylight saving | Not observed | On summer time → UTC-8, Nov 1, 01:00 |
| Sunrise | 05:56 | 07:21 |
| Sunset | 18:14 | 18:29 |
| Daylight | 12 h 18 min | 11 h 8 min |
| People on this clock | 74,800 | 103,536 |
Compare Ubud, Bali with another city
More comparisons with Ubud, Bali: the time zones next to it and the far side of the clock.
Big time differences
Ubud, Bali and San Mateo, CA: common questions
How many hours behind Ubud, Bali, is San Mateo, CA?
The clocks in San Mateo are 15 hours behind those in Ubud (UTC−7 and UTC+8).
What time is it in San Mateo, CA, at the start of the working day in Ubud, Bali?
The working day in Ubud starts at 9:00 AM; in San Mateo it is 6:00 PM (the previous day) at that moment.
What time is it in San Mateo, CA, when it is 6:00 PM in Ubud, Bali?
When it is 6:00 PM in Ubud, it is 3:00 AM in San Mateo.
Is there a time when both Ubud, Bali, and San Mateo, CA, are at work?
No, the working days (9:00 AM–6:00 PM) do not overlap. When the day starts in Ubud at 9:00 AM, it is 6:00 PM (the previous day) in San Mateo; the day in San Mateo starts at 12:00 AM (the next day) in Ubud time.
Until what time in Ubud, Bali, is it still yesterday in San Mateo, CA?
Before 3:00 PM in Ubud, the date in San Mateo has not changed yet. From 9:00 AM in San Mateo, it is already the next day in Ubud.
Is the time difference between Ubud, Bali, and San Mateo, CA, the same all year?
No. Only San Mateo switches to summer time, so the gap changes twice a year. From November 1, 2026, San Mateo will be 16 hours behind Ubud.
