Working hours: 09:00–17:00 local. Green = both working.Purple = one side only.
Frequently Asked Questions
What is the difference between tokyo and hkt?
TOKYO (Tokyo) (tokyo) is UTC+9 and Hong Kong Time (hkt) is UTC+8. The difference between them is 1 hours.
Where is tokyo used?
TOKYO (Tokyo) (tokyo) is used in Japan and surrounding regions. The IANA timezone identifier is Asia/Tokyo.
Where is hkt used?
Hong Kong Time (hkt) is used in Hong Kong and surrounding regions. The IANA timezone identifier is Asia/Hong_Kong.
How do I convert tokyo to hkt?
Use the interactive converter above. Drag the time slider to any tokyo time and the hkt equivalent updates instantly. You can also type a time like "3pm" or "15:00" in the input bar.
Tokyo is 1 hour ahead of HKT (Hong Kong). When it's noon in Tokyo, it's 11:00 in HKT (Hong Kong).
Tokyo observes Asia/Tokyo and HKT (Hong Kong) observes Asia/Hong_Kong — a 1 hour gap between them.
Working hours overlap
Both Tokyo and HKT (Hong Kong) are simultaneously in business hours for 7 hours per day (assuming standard 9:00–17:00 working hours).
00:0006:0012:0018:0024:00
Tokyo
HKT (Hong Kong)
Overlap (7h)
Meeting time recommendations
Tokyo and HKT (Hong Kong) share 7 hours of business hours overlap daily. Showing the 3 most balanced slots — see the time table below for the full window.
10:00 Tokyo / 09:00 Hong Kong✓ Both working
11:00 Tokyo / 10:00 Hong Kong✓ Both working
12:00 Tokyo / 11:00 Hong Kong✓ Both working
Assumes a standard 9 AM–5 PM workday in each location's local timezone.
Public holidays this year
⚡ Upcoming holidays in both locations, confirm with your contact before booking.
Tokyo7 holidays
Jul 20Marine Day
Aug 11Mountain Day
Sep 21Respect for the Aged Day
Sep 23Autumnal Equinox Day
Oct 12Sports Day
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
Tokyo and HKT (Hong Kong) — practical scheduling
Teams in Tokyo (Japan) and HKT (Hong Kong) (Hong Kong) face a 1-hour time difference day to day. A 7-hour shared business hours window makes real-time meetings feasible for both sides within their normal working day.
💡 Practical scheduling guidelines
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Schedule at 10:00–11:00 (Tokyo) for a 09:00–10:00 slot in HKT (Hong Kong) — the sweet spot where both teams are working.
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Schedule at 11:00–12:00 (Tokyo) for a 10:00–11:00 slot in HKT (Hong Kong) — the sweet spot where both teams are working.
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Schedule at 12:00–13:00 (Tokyo) for a 11:00–12:00 slot in HKT (Hong Kong) — the sweet spot where both teams are working.
Recurring meetings are particularly vulnerable to DST shifts. The ClockinSync Chrome Extension alerts you before the offset changes.
Drag the slider at the top to convert any Tokyo time instantly. You can also type natural language like "3pm", "15:00", or a location name to get an immediate answer.
