🇭🇰 Hong Kong, Hong Kong (China)
29
- Hong Kong Standard Time
- UTC+8
- Night
☀️ 06:21 · 🌙 17:57 · 11 h 36 min
Hong Kong to Tsukuba: time difference
Tsukuba is 1 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 23:00 11:00 PM Tsukuba 00:00 12:00 AM You –:–
23:00 11:00 PM
Hong Kong Standard Time · UTC+8
☀️ 06:21 · 🌙 17:57
00:00 12:00 AM
Japan Standard Time · UTC+9
☀️ 05:50 · 🌙 17:01
·
+1 h
Tsukuba is 1 h ahead of Hong Kong.
When you, Hong Kong and Tsukuba 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
🇯🇵 Tsukuba
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 0 12 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇭🇰 Hong Kong | 🇯🇵 Tsukuba |
|---|---|---|
| Local time | 23:00 | 00:00 |
| Local date | Sunday, October 18, 2026 | Monday, October 19, 2026 |
| Time zone | Hong Kong Standard Time | Japan Standard Time |
| UTC offset | UTC+8 | UTC+9 |
| Offset from Hong Kong | — | +1 h |
| IANA zone | Asia/Hong Kong | Asia/Tokyo |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:21 | 05:50 |
| Sunset | 17:57 | 17:01 |
| Daylight | 11 h 36 min | 11 h 11 min |
| People on this clock | 1,367,900 | 230,398 |
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 Tsukuba: common questions
How far ahead of Hong Kong is Tsukuba?
Tsukuba is 1 hour ahead of Hong Kong: UTC+9 against UTC+8.
What time is it in Tsukuba at the start of the working day in Hong Kong?
The working day in Hong Kong starts at 9:00 AM; in Tsukuba it is 10:00 AM at that moment.
What time is it in Tsukuba at the end of the working day in Hong Kong?
The working day in Hong Kong ends at 6:00 PM; in Tsukuba it is 7:00 PM at that moment.
Is there a time when both Hong Kong and Tsukuba are at work?
Yes: from 9:00 AM to 5:00 PM in Hong Kong (10:00 AM to 6:00 PM in Tsukuba), the working days (9:00 AM–6:00 PM) overlap.
When is it already the next day in Tsukuba?
From 11:00 PM in Hong Kong it is already the next day in Tsukuba. The other way round, until 1:00 AM in Tsukuba it is still the previous day in Hong Kong.
Is the time difference between Hong Kong and Tsukuba the same all year?
Yes. Neither Hong Kong nor Tsukuba switches to summer time, so the gap is always 1 hour.
