Singapore to Guam: time difference
Guam is 2 h ahead of Singapore. 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.
Singapore 09:39 9:39 AM Guam 11:39 11:39 AM You –:–
09:39 9:39 AM
Singapore Standard Time · UTC+8
☀️ 06:50 · 🌙 18:55
11:39 11:39 AM
Chamorro Standard Time · UTC+10
☀️ 06:12 · 🌙 18:06
·
+2 h
Guam is 2 h ahead of Singapore.
When you, Singapore and Guam are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇸🇬 Singapore
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
🇬🇺 Guam
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 0 12 AM 1 1 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇸🇬 Singapore | 🇬🇺 Guam |
|---|---|---|
| Local time | 09:39 | 11:39 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Singapore Standard Time | Chamorro Standard Time |
| UTC offset | UTC+8 | UTC+10 |
| Offset from Singapore | — | +2 h |
| IANA zone | Asia/Singapore | Pacific/Guam |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:50 | 06:12 |
| Sunset | 18:55 | 18:06 |
| Daylight | 12 h 6 min | 11 h 55 min |
| People on this clock | 5,535,002 | 153,836 |
Compare Singapore with another city
More comparisons with Singapore: the time zones next to it and the far side of the clock.
Big time differences
Singapore and Guam: common questions
How far ahead of Singapore is Guam?
Guam is 2 hours ahead of Singapore: UTC+10 against UTC+8.
What time is it in Guam at the start of the working day in Singapore?
The working day in Singapore starts at 9:00 AM; in Guam it is 11:00 AM at that moment.
If it is 6:00 PM in Singapore, what time is it in Guam?
At 6:00 PM in Singapore, clocks in Guam show 8:00 PM.
When do working hours in Singapore and in Guam overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 4:00 PM in Singapore, which is 11:00 AM to 6:00 PM in Guam.
From what time in Singapore is it tomorrow in Guam?
Once it is 10:00 PM in Singapore, the date in Guam has already changed. Until 2:00 AM in Guam, it is still the previous day in Singapore.
Is the time difference between Singapore and Guam the same all year?
Yes. Neither Singapore nor Guam switches to summer time, so the gap is always 2 hours.
