Waltham, MA to Ubud, Bali: time difference
Ubud, Bali is 12 h ahead of Waltham, 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.
Waltham, MA 06:28 6:28 AM Ubud, Bali 18:28 6:28 PM You –:–
06:28 6:28 AM
Eastern Daylight Time · UTC-4
☀️ 07:02 · 🌙 18:00
18:28 6:28 PM
Central Indonesia Time · UTC+8
☀️ 05:56 · 🌙 18:14
·
+12 h
Ubud, Bali is 12 h ahead of Waltham, MA.
When you, Waltham, 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
🇺🇸 Waltham, 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
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Time zones side by side
| Detail | 🇺🇸 Waltham, MA | 🇮🇩 Ubud, Bali |
|---|---|---|
| Local time | 06:28 | 18:28 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Eastern Daylight Time | Central Indonesia Time |
| UTC offset | UTC-4 | UTC+8 |
| Offset from Waltham, MA | — | +12 h |
| IANA zone | America/New York | Asia/Makassar |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | Not observed |
| Sunrise | 07:02 | 05:56 |
| Sunset | 18:00 | 18:14 |
| Daylight | 10 h 58 min | 12 h 18 min |
| People on this clock | 60,636 | 74,800 |
Compare Waltham, MA with another city
More comparisons with Waltham, MA: the time zones next to it and the far side of the clock.
Nearby time zones
Waltham, MA and Ubud, Bali: common questions
How far ahead of Waltham, MA, is Ubud, Bali?
Ubud is 12 hours ahead of Waltham: UTC+8 against UTC−4.
What time is it in Ubud, Bali, when it is 9:00 AM in Waltham, MA?
When it is 9:00 AM in Waltham, it is 9:00 PM in Ubud.
What time is it in Ubud, Bali, at the end of the working day in Waltham, MA?
The working day in Waltham ends at 6:00 PM; in Ubud it is 6:00 AM (the next day) at that moment.
When do working hours in Waltham, MA, and in Ubud, Bali, overlap?
They don't: there are no shared working hours. The start of the day in Waltham (9:00 AM) is 9:00 PM in Ubud, and the start of the day in Ubud is 9:00 PM (the previous day) in Waltham.
From what time in Waltham, MA, is it tomorrow in Ubud, Bali?
Once it is 12:00 PM in Waltham, the date in Ubud has already changed. Until 12:00 PM in Ubud, it is still the previous day in Waltham.
Does the time gap between Waltham, MA, and Ubud, Bali, change during the year?
Yes – daylight saving time is used in Waltham but not in Ubud. From November 1, 2026, Ubud will be 13 hours ahead of Waltham.
