Working hours: 09:00–17:00 local. Green = both working.Purple = one side only.
Frequently Asked Questions
What is the difference between hkt and tokyo?
Hong Kong Time (hkt) is UTC+8 and TOKYO (Tokyo) (tokyo) is UTC+9. The difference between them is 1 hours.
Where is hkt used?
Hong Kong Time (hkt) is used in Hong Kong and surrounding regions. The IANA timezone identifier is Asia/Hong_Kong.
Where is tokyo used?
TOKYO (Tokyo) (tokyo) is used in Japan and surrounding regions. The IANA timezone identifier is Asia/Tokyo.
How do I convert hkt to tokyo?
Use the interactive converter above. Drag the time slider to any hkt time and the tokyo equivalent updates instantly. You can also type a time like "3pm" or "15:00" in the input bar.
HKT (Hong Kong) is 1 hour behind Tokyo. When it's noon in HKT (Hong Kong), it's 13:00 in Tokyo.
HKT (Hong Kong) runs on Asia/Hong_Kong; Tokyo runs on Asia/Tokyo. Together they are 1 hour apart.
Working hours overlap
Both HKT (Hong Kong) and Tokyo are simultaneously in business hours for 7 hours per day (assuming standard 9:00–17:00 working hours).
00:0006:0012:0018:0024:00
HKT (Hong Kong)
Tokyo
Overlap (7h)
Best call times between these locations
There is a 7-hour daily window where both locations are in business hours. The 3 best slots are listed below.
09:00 Hong Kong / 10:00 Tokyo✓ Both working
10:00 Hong Kong / 11:00 Tokyo✓ Both working
11:00 Hong Kong / 12:00 Tokyo✓ Both working
Working hours defined as 09:00–17:00 local time for each location.
Public holidays this year
⚡ Upcoming holidays in both locations, confirm with your contact before booking.
HKT (Hong Kong)6 holidays
Jul 1Hong Kong Special Administrative Region Establishment DaySOON
Sep 26Day following the Mid-Autumn Festival
Oct 1National Day
Oct 19Chung Yeung Festival
Dec 25Christmas Day
Tokyo7 holidays
Jul 20Marine Day
Aug 11Mountain Day
Sep 21Respect for the Aged Day
Sep 23Autumnal Equinox Day
Oct 12Sports Day
HKT (Hong Kong) and Tokyo — practical scheduling
HKT (Hong Kong) (Hong Kong) and Tokyo (Japan) are 1 hours apart. With a 7-hour daily overlap in standard business hours, both teams can connect in real time without either side stretching beyond their normal workday.
💡 Practical scheduling guidelines
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If you are in HKT (Hong Kong), aim for 09:00–10:00, which corresponds to 10:00–11:00 in Tokyo — both teams are within working hours.
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If you are in HKT (Hong Kong), aim for 10:00–11:00, which corresponds to 11:00–12:00 in Tokyo — both teams are within working hours.
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If you are in HKT (Hong Kong), aim for 11:00–12:00, which corresponds to 12:00–13:00 in Tokyo — both teams are within working hours.
Avoid scheduling mistakes — especially around daylight saving changes. Use the ClockinSync Chrome Extension to instantly verify and compare both time zones directly in your browser, without manual calculations.
Need a specific time? Use the slider or type directly into the input bar — it understands "3pm", "15:30", and location-specific formats like "9am HKT (Hong Kong)".
