Boston, MA to Ubud, Bali: time difference
Ubud, Bali is 12 h ahead of Boston, MA. Live clocks for both, the working hours they share, and how each one sits against your own time.
+12 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Boston, MA 20:26 8:26 PM Ubud, Bali 08:26 8:26 AM You –:–
20:26 8:26 PM
Eastern Daylight Time · UTC-4
☀️ 06:51 · 🌙 18:14
08:26 8:26 AM
Central Indonesia Time · UTC+8
☀️ 05:59 · 🌙 18:14
·
+12 h
Ubud, Bali is 12 h ahead of Boston, MA.
When you, Boston, MA and Ubud, Bali are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇺🇸 Boston, MA
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
🇮🇩 Ubud, Bali
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 9 9 AM 10 10 AM 11 11 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
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Time zones side by side
| Detail | 🇺🇸 Boston, MA | 🇮🇩 Ubud, Bali |
|---|---|---|
| Local time | 20:26 | 08:26 |
| Local date | Friday, October 9, 2026 | Saturday, October 10, 2026 |
| Time zone | Eastern Daylight Time | Central Indonesia Time |
| UTC offset | UTC-4 | UTC+8 |
| Offset from Boston, MA | — | +12 h |
| IANA zone | America/New York | Asia/Makassar |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | Not observed |
| Sunrise | 06:51 | 05:59 |
| Sunset | 18:14 | 18:14 |
| Daylight | 11 h 23 min | 12 h 15 min |
| People on this clock | 675,647 | 74,800 |
Compare Boston, MA with another city
More comparisons with Boston, MA: the time zones next to it and the far side of the clock.
Nearby time zones
Boston, MA and Ubud, Bali: common questions
How far ahead of Boston, MA, is Ubud, Bali?
Ubud is 12 hours ahead of Boston: UTC+8 against UTC−4.
What time is it in Ubud, Bali, at the start of the working day in Boston, MA?
The working day in Boston starts at 9:00 AM; in Ubud it is 9:00 PM at that moment.
What time is it in Ubud, Bali, at the end of the working day in Boston, MA?
The working day in Boston ends at 6:00 PM; in Ubud it is 6:00 AM (the next day) at that moment.
Is there a time when both Boston, MA, and Ubud, Bali, are at work?
No, the working days (9:00 AM–6:00 PM) do not overlap. When the day starts in Boston at 9:00 AM, it is 9:00 PM in Ubud; the day in Ubud starts at 9:00 PM (the previous day) in Boston time.
From what time in Boston, MA, is it tomorrow in Ubud, Bali?
Once it is 12:00 PM in Boston, the date in Ubud has already changed. Until 12:00 PM in Ubud, it is still the previous day in Boston.
Does the time difference between Boston, MA, and Ubud, Bali, change?
Yes. The clocks change only in Boston. From November 1, 2026, Ubud will be 13 hours ahead of Boston.
