Tumon to Hong Kong: time difference
Hong Kong is 2 h behind Tumon. Live clocks for both, the working hours they share, and how each one sits against your own time.
🇭🇰 Hong Kong, Hong Kong (China)
30
- Hong Kong Standard Time
- UTC+8
- Night
☀️ 06:23 · 🌙 17:55 · 11 h 32 min
−2 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Tumon 03:01 3:01 AM Hong Kong 01:01 1:01 AM You –:–
03:01 3:01 AM
Chamorro Standard Time · UTC+10
☀️ 06:13 · 🌙 17:59
01:01 1:01 AM
Hong Kong Standard Time · UTC+8
☀️ 06:23 · 🌙 17:55
·
−2 h
Hong Kong is 2 h behind Tumon.
When you, Tumon and Hong Kong are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇬🇺 Tumon
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
🇭🇰 Hong Kong
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 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇬🇺 Tumon | 🇭🇰 Hong Kong |
|---|---|---|
| Local time | 03:01 | 01:01 |
| Local date | Wednesday, October 21, 2026 | Wednesday, October 21, 2026 |
| Time zone | Chamorro Standard Time | Hong Kong Standard Time |
| UTC offset | UTC+10 | UTC+8 |
| Offset from Tumon | — | −2 h |
| IANA zone | Pacific/Guam | Asia/Hong Kong |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:13 | 06:23 |
| Sunset | 17:59 | 17:55 |
| Daylight | 11 h 47 min | 11 h 32 min |
| People on this clock | 44,943 | 1,367,900 |
Compare Tumon with another city
More comparisons with Tumon: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Tumon and Hong Kong: common questions
How far behind Tumon is Hong Kong?
Hong Kong is 2 hours behind Tumon: UTC+8 against UTC+10.
What time is it in Hong Kong at the start of the working day in Tumon?
The working day in Tumon starts at 9:00 AM; in Hong Kong it is 7:00 AM at that moment.
What time is it in Hong Kong when it is 6:00 PM in Tumon?
When it is 6:00 PM in Tumon, it is 4:00 PM in Hong Kong.
When is a good time to call Hong Kong from Tumon?
Between 11:00 AM and 6:00 PM in Tumon – that is 9:00 AM to 4:00 PM in Hong Kong – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Hong Kong compared with Tumon?
The new day starts in Hong Kong later: until 2:00 AM in Tumon, it is still the previous day there. From 10:00 PM in Hong Kong, Tumon is already on the next day.
Does the time gap between Tumon and Hong Kong change during the year?
No, the clocks change neither in Tumon nor in Hong Kong, so the gap is 2 hours all year round.
