Tsukuba to Hong Kong: time difference
Hong Kong is 1 h behind Tsukuba. Live clocks for both, the working hours they share, and how each one sits against your own time.
🇭🇰 Hong Kong, Hong Kong (China)
48
- Hong Kong Standard Time
- UTC+8
- Twilight
☀️ 06:21 · 🌙 17:57 · 11 h 36 min
−1 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Tsukuba 19:41 7:41 PM Hong Kong 18:41 6:41 PM You –:–
19:41 7:41 PM
Japan Standard Time · UTC+9
☀️ 05:49 · 🌙 17:02
18:41 6:41 PM
Hong Kong Standard Time · UTC+8
☀️ 06:21 · 🌙 17:57
·
−1 h
Hong Kong is 1 h behind Tsukuba.
When you, Tsukuba 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
🇯🇵 Tsukuba
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
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 22 10 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇯🇵 Tsukuba | 🇭🇰 Hong Kong |
|---|---|---|
| Local time | 19:41 | 18:41 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Japan Standard Time | Hong Kong Standard Time |
| UTC offset | UTC+9 | UTC+8 |
| Offset from Tsukuba | — | −1 h |
| IANA zone | Asia/Tokyo | Asia/Hong Kong |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:49 | 06:21 |
| Sunset | 17:02 | 17:57 |
| Daylight | 11 h 13 min | 11 h 36 min |
| People on this clock | 230,398 | 1,367,900 |
Compare Tsukuba with another city
More comparisons with Tsukuba: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Tsukuba and Hong Kong: common questions
How many hours behind Tsukuba is Hong Kong?
The clocks in Hong Kong are 1 hour behind those in Tsukuba (UTC+8 and UTC+9).
What time is it in Hong Kong when it is 9:00 AM in Tsukuba?
When it is 9:00 AM in Tsukuba, it is 8:00 AM in Hong Kong.
What time is it in Hong Kong when it is 6:00 PM in Tsukuba?
When it is 6:00 PM in Tsukuba, it is 5:00 PM in Hong Kong.
When do working hours in Tsukuba and in Hong Kong overlap?
Working hours (9:00 AM–6:00 PM) overlap from 10:00 AM to 6:00 PM in Tsukuba, which is 9:00 AM to 5:00 PM in Hong Kong.
Until what time in Tsukuba is it still yesterday in Hong Kong?
Before 1:00 AM in Tsukuba, the date in Hong Kong has not changed yet. From 11:00 PM in Hong Kong, it is already the next day in Tsukuba.
Does the time difference between Tsukuba and Hong Kong change?
No. Neither place uses daylight saving time, so the difference stays 1 hour all year.
