What is the time difference between Tokyo and Hong Kong?

Tokyo (JST, UTC+9) is always 1 hour ahead of Hong Kong (HKT, UTC+8). Neither city observes Daylight Saving Time, so this gap never changes throughout the year.

Does Tokyo observe Daylight Saving Time?

No. Japan abolished DST in 1952 and has not used it since. Tokyo stays on JST (UTC+9) all year.

Does Hong Kong observe Daylight Saving Time?

No. Hong Kong operates on HKT (UTC+8) year-round and has not observed DST since 1979. The 1-hour gap between Tokyo and Hong Kong is fixed and permanent.

What are the best meeting times when calling from Tokyo to Hong Kong?

Because the offset is only 1 hour, business hours overlap almost entirely. Tokyo 09:00–18:00 JST corresponds to Hong Kong 08:00–17:00 HKT. Any hour between 09:00 and 17:00 JST is a solid meeting window.

Is this tool accurate for scheduling?

Yes. It uses the IANA timezone database embedded in your browser — the same source used by operating systems and calendar apps worldwide. Accuracy depends on your device clock being synchronized via NTP, which most devices do automatically.

HKT stands for Hong Kong Time. It is UTC+8, used across Hong Kong year-round. There is no Daylight Saving equivalent because Hong Kong does not observe DST.

Time Difference: Tokyo to Hong Kong

See the current time in Tokyo and Hong Kong side by side, with the fixed UTC offset (JST is UTC+9, HKT is UTC+8) — Tokyo is always 1 hour ahead, updated live every second.

Tokyo, Japan

--:--:--

JST UTC+9

Hong Kong

--:--:--

HKT UTC+8

Current Offset

+1 hour

Tokyo is 1 hour ahead of Hong Kong — this gap is fixed year-round (no DST in either city)

Convert a Tokyo Time to Hong Kong Time

Enter any hour in Tokyo (JST) to see the matching Hong Kong (HKT) time

Tokyo time: :00 JST

Hong Kong: 08:00 HKT

Tokyo to Hong Kong — Quick Reference Table

Business hours (09:00–18:00) highlighted — best overlap shaded green

Tokyo (JST)	Hong Kong (HKT)	Status

Summary

This tool displays the live current time in both Tokyo (Asia/Tokyo — JST, UTC+9 year-round) and Hong Kong (Asia/Hong_Kong — HKT, UTC+8 year-round) side by side. Neither city observes Daylight Saving Time, so the gap is always exactly 1 hour: Tokyo is 1 hour ahead of Hong Kong every day of the year. Use this tool to schedule calls between Japan and Hong Kong, coordinate cross-border teams, or convert meeting times between the two cities.

How it works

Your browser reads the current moment from your device clock.
It converts that moment to Asia/Tokyo time (JST, UTC+9) using the IANA timezone database built into modern browsers.
The same moment is converted to Asia/Hong_Kong time (HKT, UTC+8).
The UTC offsets of both cities are compared — the difference is always 1 hour.
All values — Tokyo time, Hong Kong time, and the offset — refresh every second.
Enter any Tokyo time in the converter to instantly see the matching Hong Kong time.

Use cases

Scheduling video calls between Tokyo and Hong Kong offices.
Checking whether a colleague in Hong Kong is within business hours.
Planning Japan-Hong Kong travel and arrival time comparisons.
Remote teams coordinating daily standups across Japan and Hong Kong.
Converting a Tokyo meeting time to its Hong Kong equivalent.
Finance professionals tracking market open hours across the Tokyo and Hong Kong exchanges.
Journalists in Tokyo checking live broadcast times for Hong Kong events.
Students and teachers arranging online lessons between Japan and Hong Kong.

Frequently Asked Questions

Last updated: 2026-06-11 · Reviewed by Nham Vu