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DateAlmanac

What is HKT in JST?

Japan Standard Time is 1 hour ahead

Hong Kong Time is on UTC+8:00 and Japan Standard Time is on UTC+9:00 right now. That gap holds all year, because both zones change their clocks together.

Time in Hong Kong
8:53:32 PM
Time in Tokyo
9:53:32 PM
Difference
+1 h
Next clock change
Neither zone

Convert a time

JST — Japan Standard Time

9:00 pm

JST, Fri

Daylight saving

Hong Kong Time

No clock changes

Hong Kong Time stays on HKT all year, so its offset from UTC never moves.

Japan Standard Time

No clock changes

Japan Standard Time stays on JST all year, so its offset from UTC never moves.

HKT to JST conversion table

Every hour of Friday, September 25, 2026, converted from Hong Kong Time to Japan Standard Time. 1 of the 24 hours fall on a different calendar day in Tokyo, which is marked.

12:00 am HKT
1:00 am JST
1:00 am HKT
2:00 am JST
2:00 am HKT
3:00 am JST
3:00 am HKT
4:00 am JST
4:00 am HKT
5:00 am JST
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
10:00 am HKT
11:00 am JST
11:00 am HKT
12:00 pm JST
12:00 pm HKT
1:00 pm JST
1:00 pm HKT
2:00 pm JST
2:00 pm HKT
3:00 pm JST
3:00 pm HKT
4:00 pm JST
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
10:00 pm HKT
11:00 pm JST
11:00 pm HKT
12:00 am JST+1 day

Scheduling between the two

Working hours overlap from 9:00 am to 5:00 pm HKT, which is 10:00 am to 6:00 pm JST. Anything inside that window falls in the normal working day at both ends.

Other conversions