Offset
The time difference between Japan Standard Time and Hong Kong Time is 1 hour.
Japan Standard Time (JST) is ahead of Hong Kong Time (HKT).
JST: UTC+9
HKT: UTC+8
Neither Japan Standard Time nor Hong Kong Time is currently observing daylight saving time.
When to schedule
Business-hours overlap: 10 AM–5 PM in Japan Standard Time (9 AM–4 PM in Hong Kong Time).
Both teams are in working hours during this window on weekdays.
Suggested time: 1:00 PM Japan Standard Time (12:00 PM Hong Kong 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.
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
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
About these zones
Japan Standard Time is also known as JST. To call Japan, dial +81.
Hong Kong Time is also known as HKT. To call Hong Kong, dial +852.
Hong Kong Time is approximately 1,800 miles southwest of Japan Standard Time.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| JST | HKT | Day |
|---|---|---|
| 12:00 am | 11:00 pm | -1 day |
| 1:00 am | 12:00 am | Same day |
| 2:00 am | 1:00 am | Same day |
| 3:00 am | 2:00 am | Same day |
| 4:00 am | 3:00 am | Same day |
| 5:00 am | 4:00 am | Same day |
| 6:00 am | 5:00 am | Same day |
| 7:00 am | 6:00 am | Same day |
| 8:00 am | 7:00 am | Same day |
| 9:00 am | 8:00 am | Same day |
| 10:00 am | 9:00 am | Same day |
| 11:00 am | 10:00 am | Same day |
| 12:00 pm | 11:00 am | Same day |
| 1:00 pm | 12:00 pm | Same day |
| 2:00 pm | 1:00 pm | Same day |
| 3:00 pm | 2:00 pm | Same day |
| 4:00 pm | 3:00 pm | Same day |
| 5:00 pm | 4:00 pm | Same day |
| 6:00 pm | 5:00 pm | Same day |
| 7:00 pm | 6:00 pm | Same day |
| 8:00 pm | 7:00 pm | Same day |
| 9:00 pm | 8:00 pm | Same day |
| 10:00 pm | 9:00 pm | Same day |
| 11:00 pm | 10:00 pm | Same day |
Daylight saving time
Neither Japan Standard Time nor Hong Kong 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
- 4:27 AM
- Sunset
- 6:55 PM
- Day length
- 14h 28m
- Sunrise
- 5:40 AM
- Sunset
- 7:06 PM
- Day length
- 13h 26m
Daylight overlap: 12h 15m — 6:40 AM–6:55 PM in Japan Standard Time (5:40 AM–5:55 PM in Hong Kong Time). Both locations are in daylight during this window.
Cities in these zones
Cities in Japan Standard Time
Cities in Hong Kong Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in Japan Standard Time
- HND
- NRT
- ITM
- KIX
- UKB
- NGO
- NKM
- CTS
- OKD
- FUK
Airports in Hong Kong Time
- HKG
Related conversions
Common conversions
- What is 9:00 am JST in HKT?
- 9:00 am JST is 8:00 am HKT.
- What is 12:00 pm JST in HKT?
- 12:00 pm JST is 11:00 am HKT.
- What is 12:30 pm JST in HKT?
- 12:30 pm JST is 11:30 am HKT.
- What is 2:00 pm JST in HKT?
- 2:00 pm JST is 1:00 pm HKT.
- What is 5:00 pm JST in HKT?
- 5:00 pm JST is 4:00 pm HKT.
- What is 11:30 pm JST in HKT?
- 11:30 pm JST is 10:30 pm HKT.