Hiroshima to Hong Kong: time difference

Hong Kong is 1 h behind Hiroshima. Live clocks for both, the working hours they share, and how each one sits against your own time.

🇯🇵 Hiroshima, Japan

03

10:58 PM · Monday, October 19, 2026

  • Japan Standard Time
  • UTC+9
  • Night

☀️ 06:19 · 🌙 17:33 · 11 h 14 min

−1 h

One day, 2 clocks

Drag along the band to read any hour in every place at once.

Hiroshima 22:58 10:58 PM Hong Kong 21:58 9:58 PM
Hiroshima 22:58 10:58 PM Hong Kong 21:58 9:58 PM You –:–
🇯🇵 Hiroshima

22:58 10:58 PM

Japan Standard Time · UTC+9

☀️ 06:19 · 🌙 17:33

🇭🇰 Hong Kong

21:58 9:58 PM

Hong Kong Standard Time · UTC+8

☀️ 06:22 · 🌙 17:56

⇄ Difference

−1 h

Hong Kong is 1 h behind Hiroshima.

When you, Hiroshima 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
🇯🇵 Hiroshima
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
  • Asleep
  • Early
  • Working hours
  • Evening
  • Both working
  • Right now

Time zones side by side

Detail 🇯🇵 Hiroshima 🇭🇰 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 Hiroshima — −1 h
IANA zone Asia/Tokyo Asia/Hong Kong
Daylight saving Not observed Not observed
Sunrise 06:19 06:22
Sunset 17:33 17:56
Daylight 11 h 14 min 11 h 35 min
People on this clock 1,200,754 1,367,900

Compare Hiroshima with another city

More comparisons with Hiroshima: the time zones next to it and the far side of the clock.

Hiroshima and Hong Kong: common questions

How many hours behind Hiroshima is Hong Kong?
The clocks in Hong Kong are 1 hour behind those in Hiroshima (UTC+8 and UTC+9).
What time is it in Hong Kong at the start of the working day in Hiroshima?
The working day in Hiroshima starts at 9:00 AM; in Hong Kong it is 8:00 AM at that moment.
What time is it in Hong Kong at the end of the working day in Hiroshima?
The working day in Hiroshima ends at 6:00 PM; in Hong Kong it is 5:00 PM at that moment.
When is a good time to call Hong Kong from Hiroshima?
Between 10:00 AM and 6:00 PM in Hiroshima – that is 9:00 AM to 5:00 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 Hiroshima?
The new day starts in Hong Kong later: until 1:00 AM in Hiroshima, it is still the previous day there. From 11:00 PM in Hong Kong, Hiroshima is already on the next day.
Does the time gap between Hiroshima and Hong Kong change during the year?
No, the clocks change neither in Hiroshima nor in Hong Kong, so the gap is 1 hour all year round.
Show times on the 12-hour clock, temperatures in °F and distances in miles?