HKT to JST Converter
JST is 1 hour ahead of HKT. 9:00 AM HKT = 10:00 AM JST.
JST is 1 hour ahead of HKT. To convert HKT to JST, add 1 hour to the HKT time: 9:00 AM HKT = 10:00 AM JST.
HKT (Hong Kong Time) is used in Hong Kong. JST (Japan Time) is used in Japan.
HKT to JST time conversion table
HKT to JST on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| HKT | JST | Day |
|---|---|---|
| 12:00 AM HKT | 1:00 AM JST | night |
| 1:00 AM HKT | 2:00 AM JST | night |
| 2:00 AM HKT | 3:00 AM JST | night |
| 3:00 AM HKT | 4:00 AM JST | night |
| 4:00 AM HKT | 5:00 AM JST | night |
| 5:00 AM HKT | 6:00 AM JST | — |
| 6:00 AM HKT | 7:00 AM JST | — |
| 7:00 AM HKT | 8:00 AM JST | — |
| 8:00 AM HKT | 9:00 AM JST | — |
| 9:00 AM HKT | 10:00 AM JST | work hours |
| 10:00 AM HKT | 11:00 AM JST | work hours |
| 11:00 AM HKT | 12:00 PM JST | work hours |
| 12:00 PM HKT | 1:00 PM JST | work hours |
| 1:00 PM HKT | 2:00 PM JST | work hours |
| 2:00 PM HKT | 3:00 PM JST | work hours |
| 3:00 PM HKT | 4:00 PM JST | work hours |
| 4:00 PM HKT | 5:00 PM JST | — |
| 5:00 PM HKT | 6:00 PM JST | — |
| 6:00 PM HKT | 7:00 PM JST | — |
| 7:00 PM HKT | 8:00 PM JST | — |
| 8:00 PM HKT | 9:00 PM JST | — |
| 9:00 PM HKT | 10:00 PM JST | night |
| 10:00 PM HKT | 11:00 PM JST | night |
| 11:00 PM HKT | 12:00 AM JST | next day |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert HKT to JST
Add 1 hour to the HKT time to get JST.
Example: 9:00 AM HKT = 10:00 AM JST.
Across midnight: 11:00 PM HKT = 12:00 AM JST (next day). The date changes, so always check the day as well as the hour.
Time difference between HKT and JST
The time difference between HKT and JST is 1 hour all year – JST is ahead of HKT.
HKT and JST during daylight saving time
- HKT does not observe daylight saving time; it stays on UTC+8 all year.
- JST does not observe daylight saving time; it stays on UTC+9 all year.
Best time for a meeting between HKT and JST
HKT and JST share 7 hours of the 9 AM–5 PM working day. Any time between 9:00 AM and 4:00 PM HKT lands between 10:00 AM and 5:00 PM JST, inside working hours for both.
HKT to JST FAQ
What is the time difference between HKT and JST?
JST is 1 hour ahead of HKT all year. 9:00 AM HKT = 10:00 AM JST.
What is 9 AM HKT in JST?
9:00 AM HKT is 10:00 AM JST.
What is 12 PM (noon) HKT in JST?
12:00 PM HKT is 1:00 PM JST.
Is JST ahead of or behind HKT?
JST is 1 hour ahead of HKT, so it is later in JST than in HKT.
Does HKT change for daylight saving time?
No. HKT stays on the same offset all year, so conversions never shift for daylight saving time.
Does JST change for daylight saving time?
No. JST stays on the same offset all year, so conversions never shift for daylight saving time.
What is the best time for a meeting between HKT and JST?
HKT and JST share 7 hours of the 9 AM–5 PM working day. Any time between 9:00 AM and 4:00 PM HKT lands between 10:00 AM and 5:00 PM JST, inside working hours for both.
Related conversions
Convert JST to HKT
Convert HKT to other time zones
Convert other time zones to JST
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.