Offset
The time difference between Hong Kong Time and Japan Standard Time is 1 hour.
Hong Kong Time (HKT) is behind Japan Standard Time (JST).
HKT: UTC+8
JST: UTC+9
Neither Hong Kong Time nor Japan Standard Time is currently observing daylight saving time.
When to schedule
Business-hours overlap: 9 AM–4 PM in Hong Kong Time (10 AM–5 PM in Japan Standard Time).
Both teams are in working hours during this window on weekdays.
Suggested time: 12:00 PM Hong Kong Time (1:00 PM Japan Standard Time).
Public holidays in 2026
National public holidays can affect availability — a counterpart is likely off work on their own holidays, so it's worth planning meetings and deadlines around them.
Hong Kong
- New Year's DayThu, Jan 1
- Lunar New YearTue, Feb 17
- Second day of Lunar New YearWed, Feb 18
- Third day of Lunar New YearThu, Feb 19
- Good FridayFri, Apr 3
- Holy SaturdaySat, Apr 4
- Ching Ming FestivalSat, Apr 4
- Easter MondayMon, Apr 6
- Labour DayFri, May 1
- Buddha's BirthdayMon, May 25
- Dragon Boat FestivalFri, Jun 19
- Hong Kong Special Administrative Region Establishment DayWed, Jul 1
- Day following the Mid-Autumn FestivalSat, Sep 26
- National DayThu, Oct 1
- Chung Yeung FestivalMon, Oct 19
- Christmas DayFri, Dec 25
- Boxing DaySat, Dec 26
Japan
- New Year's DayThu, Jan 1
- Coming of Age DayMon, Jan 12
- Foundation DayWed, Feb 11
- The Emperor's BirthdayMon, Feb 23
- Vernal Equinox DayFri, Mar 20
- Shōwa DayWed, Apr 29
- Constitution Memorial DayWed, May 6
- Greenery DayMon, May 4
- Children's DayTue, May 5
- Marine DayMon, Jul 20
- Mountain DayTue, Aug 11
- Respect for the Aged DayMon, Sep 21
- Autumnal Equinox DayWed, Sep 23
- Sports DayMon, Oct 12
- Culture DayTue, Nov 3
- Labour Thanksgiving DayMon, Nov 23
About these zones
Hong Kong Time is also known as HKT. To call Hong Kong, dial +852.
Japan Standard Time is also known as JST. To call Japan, dial +81.
Japan Standard Time is approximately 1,800 miles northeast of Hong Kong Time.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| HKT | JST | Day |
|---|---|---|
| 12:00 am | 1:00 am | Same day |
| 1:00 am | 2:00 am | Same day |
| 2:00 am | 3:00 am | Same day |
| 3:00 am | 4:00 am | Same day |
| 4:00 am | 5:00 am | Same day |
| 5:00 am | 6:00 am | Same day |
| 6:00 am | 7:00 am | Same day |
| 7:00 am | 8:00 am | Same day |
| 8:00 am | 9:00 am | Same day |
| 9:00 am | 10:00 am | Same day |
| 10:00 am | 11:00 am | Same day |
| 11:00 am | 12:00 pm | Same day |
| 12:00 pm | 1:00 pm | Same day |
| 1:00 pm | 2:00 pm | Same day |
| 2:00 pm | 3:00 pm | Same day |
| 3:00 pm | 4:00 pm | Same day |
| 4:00 pm | 5:00 pm | Same day |
| 5:00 pm | 6:00 pm | Same day |
| 6:00 pm | 7:00 pm | Same day |
| 7:00 pm | 8:00 pm | Same day |
| 8:00 pm | 9:00 pm | Same day |
| 9:00 pm | 10:00 pm | Same day |
| 10:00 pm | 11:00 pm | Same day |
| 11:00 pm | 12:00 am | +1 day |
Daylight saving time
Neither Hong Kong Time nor Japan Standard Time observes daylight saving time. The offset between these zones remains constant year-round.
See the daylight saving time page for transition dates across every time zone.
Daylight today
- Sunrise
- 5:40 AM
- Sunset
- 7:06 PM
- Day length
- 13h 26m
- Sunrise
- 4:27 AM
- Sunset
- 6:55 PM
- Day length
- 14h 28m
Daylight overlap: 12h 15m — 5:40 AM–5:55 PM in Hong Kong Time (6:40 AM–6:55 PM in Japan Standard Time). Both locations are in daylight during this window.
Cities in these zones
Cities in Hong Kong Time
Cities in Japan Standard Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in Hong Kong Time
- HKG
Airports in Japan Standard Time
- HND
- NRT
- ITM
- KIX
- UKB
- NGO
- NKM
- CTS
- OKD
- FUK
Related conversions
Common conversions
- What is 9:00 am HKT in JST?
- 9:00 am HKT is 10:00 am JST.
- What is 12:00 pm HKT in JST?
- 12:00 pm HKT is 1:00 pm JST.
- What is 12:30 pm HKT in JST?
- 12:30 pm HKT is 1:30 pm JST.
- What is 2:00 pm HKT in JST?
- 2:00 pm HKT is 3:00 pm JST.
- What is 5:00 pm HKT in JST?
- 5:00 pm HKT is 6:00 pm JST.
- What is 11:30 pm HKT in JST?
- 11:30 pm HKT is 12:30 am JST, the next day.