🇭🇰 Hong Kong, Hong Kong (China)
08
- Hong Kong Standard Time
- UTC+8
- Night
☀️ 06:23 · 🌙 17:55 · 11 h 32 min
Hong Kong to Tumon: time difference
Tumon is 2 h ahead of Hong Kong. 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.
Hong Kong 03:35 3:35 AM Tumon 05:35 5:35 AM You –:–
03:35 3:35 AM
Hong Kong Standard Time · UTC+8
☀️ 06:23 · 🌙 17:55
05:35 5:35 AM
Chamorro Standard Time · UTC+10
☀️ 06:13 · 🌙 17:59
·
+2 h
Tumon is 2 h ahead of Hong Kong.
When you, Hong Kong and Tumon are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇭🇰 Hong Kong
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
🇬🇺 Tumon
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 | 🇭🇰 Hong Kong | 🇬🇺 Tumon |
|---|---|---|
| Local time | 03:35 | 05:35 |
| Local date | Wednesday, October 21, 2026 | Wednesday, October 21, 2026 |
| Time zone | Hong Kong Standard Time | Chamorro Standard Time |
| UTC offset | UTC+8 | UTC+10 |
| Offset from Hong Kong | — | +2 h |
| IANA zone | Asia/Hong Kong | Pacific/Guam |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:23 | 06:13 |
| Sunset | 17:55 | 17:59 |
| Daylight | 11 h 32 min | 11 h 47 min |
| People on this clock | 1,367,900 | 44,943 |
Compare Hong Kong with another city
More comparisons with Hong Kong: the time zones next to it and the far side of the clock.
Big time differences
Hong Kong and Tumon: common questions
How many hours ahead of Hong Kong is Tumon?
The clocks in Tumon are 2 hours ahead of those in Hong Kong (UTC+10 and UTC+8).
If it is 9:00 AM in Hong Kong, what time is it in Tumon?
At 9:00 AM in Hong Kong, clocks in Tumon show 11:00 AM.
What time is it in Tumon when it is 6:00 PM in Hong Kong?
When it is 6:00 PM in Hong Kong, it is 8:00 PM in Tumon.
When is a good time to call Tumon from Hong Kong?
Between 9:00 AM and 4:00 PM in Hong Kong – that is 11:00 AM to 6:00 PM in Tumon – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Tumon compared with Hong Kong?
The new day starts in Tumon earlier: at 10:00 PM in Hong Kong it is already midnight there. Until 2:00 AM in Tumon, Hong Kong is still on the previous day.
Is the time difference between Hong Kong and Tumon the same all year?
Yes. Neither Hong Kong nor Tumon switches to summer time, so the gap is always 2 hours.
