Nagano to Hong Kong: time difference
Hong Kong is 1 h behind Nagano. Live clocks for both, the working hours they share, and how each one sits against your own time.
🇭🇰 Hong Kong, Hong Kong (China)
42
- Hong Kong Standard Time
- UTC+8
- Night
☀️ 06:22 · 🌙 17:56 · 11 h 35 min
−1 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Nagano 22:58 10:58 PM Hong Kong 21:58 9:58 PM You –:–
22:58 10:58 PM
Japan Standard Time · UTC+9
☀️ 05:58 · 🌙 17:08
21:58 9:58 PM
Hong Kong Standard Time · UTC+8
☀️ 06:22 · 🌙 17:56
·
−1 h
Hong Kong is 1 h behind Nagano.
When you, Nagano 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
🇯🇵 Nagano
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 | 🇯🇵 Nagano | 🇭🇰 Hong Kong |
|---|---|---|
| Local time | 22:58 | 21:58 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | Japan Standard Time | Hong Kong Standard Time |
| UTC offset | UTC+9 | UTC+8 |
| Offset from Nagano | — | −1 h |
| IANA zone | Asia/Tokyo | Asia/Hong Kong |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:58 | 06:22 |
| Sunset | 17:08 | 17:56 |
| Daylight | 11 h 10 min | 11 h 35 min |
| People on this clock | 372,760 | 1,367,900 |
Compare Nagano with another city
More comparisons with Nagano: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Nagano and Hong Kong: common questions
What is the time difference between Nagano and Hong Kong?
Hong Kong is 1 hour behind: it uses UTC+8, while Nagano is on UTC+9.
What time is it in Hong Kong at the start of the working day in Nagano?
The working day in Nagano starts at 9:00 AM; in Hong Kong it is 8:00 AM at that moment.
What time is it in Hong Kong when it is 6:00 PM in Nagano?
When it is 6:00 PM in Nagano, it is 5:00 PM in Hong Kong.
When do working hours in Nagano and in Hong Kong overlap?
Working hours (9:00 AM–6:00 PM) overlap from 10:00 AM to 6:00 PM in Nagano, which is 9:00 AM to 5:00 PM in Hong Kong.
Until what time in Nagano is it still yesterday in Hong Kong?
Before 1:00 AM in Nagano, the date in Hong Kong has not changed yet. From 11:00 PM in Hong Kong, it is already the next day in Nagano.
Does the time difference between Nagano and Hong Kong change?
No. Neither place uses daylight saving time, so the difference stays 1 hour all year.
