Time Difference

Tokyo vs Hong Kong Time Difference

Compare the current local time in Tokyo, Japan and Hong Kong, Hong Kong.

Live local timeDST awareUTC offsets

From

Tokyo

Japan

8:42 AM

Mon, Aug 17

UTC+9Asia/Tokyo

Difference

1 hour

Swap

Hong Kong

7:42 AM

Mon, Aug 17

UTC+8Asia/Hong_Kong

Current difference

Hong Kong is currently 1 hour behind Tokyo.

This difference is calculated using the current UTC offsets for both locations and automatically reflects daylight-saving changes.

24-hour comparison

Compare Tokyo and Hong Kong hour by hour

See how a full local day in Tokyo, Japan maps to Hong Kong, Hong Kong. TimeInOne automatically accounts for timezone offsets, date changes and daylight-saving transitions.

24-hour day

Best working-hours overlap

10:00 AM – 6:00 PM in Tokyo

corresponds to 9:00 AM – 5:00 PM in Hong Kong.

8 hours overlap

Tokyo

Asia/Tokyo

Hong Kong

Asia/Hong_Kong

Availability

12:00 AM

Mon, Aug 17

11:00 PM

Previous day

Sun, Aug 16

Night

1:00 AM

Mon, Aug 17

12:00 AM

Mon, Aug 17

Night

2:00 AM

Mon, Aug 17

1:00 AM

Mon, Aug 17

Night

3:00 AM

Mon, Aug 17

2:00 AM

Mon, Aug 17

Night

4:00 AM

Mon, Aug 17

3:00 AM

Mon, Aug 17

Night

5:00 AM

Mon, Aug 17

4:00 AM

Mon, Aug 17

Night

6:00 AM

Mon, Aug 17

5:00 AM

Mon, Aug 17

Night

7:00 AM

Mon, Aug 17

6:00 AM

Mon, Aug 17

Night

8:00 AM

Mon, Aug 17

7:00 AM

Mon, Aug 17

Possible

9:00 AM

Mon, Aug 17

8:00 AM

Mon, Aug 17

Possible

10:00 AM

Mon, Aug 17

9:00 AM

Mon, Aug 17

Good overlap

11:00 AM

Mon, Aug 17

10:00 AM

Mon, Aug 17

Good overlap

12:00 PM

Mon, Aug 17

11:00 AM

Mon, Aug 17

Good overlap

1:00 PM

Mon, Aug 17

12:00 PM

Mon, Aug 17

Good overlap

2:00 PM

Mon, Aug 17

1:00 PM

Mon, Aug 17

Good overlap

3:00 PM

Mon, Aug 17

2:00 PM

Mon, Aug 17

Good overlap

4:00 PM

Mon, Aug 17

3:00 PM

Mon, Aug 17

Good overlap

5:00 PM

Mon, Aug 17

4:00 PM

Mon, Aug 17

Good overlap

6:00 PM

Mon, Aug 17

5:00 PM

Mon, Aug 17

Possible

7:00 PM

Mon, Aug 17

6:00 PM

Mon, Aug 17

Possible

8:00 PM

Mon, Aug 17

7:00 PM

Mon, Aug 17

Possible

9:00 PM

Mon, Aug 17

8:00 PM

Mon, Aug 17

Night

10:00 PM

Mon, Aug 17

9:00 PM

Mon, Aug 17

Night

11:00 PM

Mon, Aug 17

10:00 PM

Mon, Aug 17

Night

Working-hour labels use a general 9:00 AM–6:00 PM schedule. Individual schedules may differ.

On daylight-saving transition dates, a local day can contain 23 or 25 real hours instead of 24.

Call planning

Best time to call Hong Kong from Tokyo

Compare typical business hours in Tokyo, Japan and Hong Kong, Hong Kong to find a practical time for calls, meetings or international coordination.

Tokyo

10:42 AM – 6:42 PM

Japan

Best overlap

Hong Kong

9:42 AM – 5:42 PM

Hong Kong

The best time to call Hong Kong from Tokyo is between 10:42 AM and 6:42 PM in Tokyo. This corresponds to 9:42 AM – 5:42 PM in Hong Kong.

Other reasonable windows

Tokyo

8:42 AM – 10:42 AM

Hong Kong

7:42 AM – 9:42 AM

Tokyo

6:42 PM – 9:42 PM

Hong Kong

5:42 PM – 8:42 PM

Recommendations use typical 9:00 AM–6:00 PM business hours and a broader 7:00 AM–9:00 PM acceptable calling window. Individual schedules may differ.

Time difference explained

Tokyo and Hong Kong time difference explained

Current local-time relationship

Hong Kong is currently 1 hour behind Tokyo.

Tokyo uses Asia/Tokyo and currently has an offset of UTC+9. Hong Kong uses Asia/Hong_Kong and currently has an offset of UTC+8.

Working-hours overlap

For a typical 9:00 AM–6:00 PM workday, the cities overlap from 10:00 AM to 6:00 PM in Tokyo, corresponding to 9:00 AM–5:00 PM in Hong Kong.

Because UTC offsets can change during the year, always check the selected date when planning an important international call or meeting.

Convert a specific time

Need more than the current difference?

Convert a specific date and local time between Tokyo and Hong Kong.

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Local clocks

Explore each city

Current time in Tokyo Current time in Hong Kong

FAQ

Tokyo to Hong Kong time difference FAQ

Common questions about the current time difference, UTC offsets, daylight-saving changes and practical calling hours between Tokyo and Hong Kong.

What is the time difference between Tokyo and Hong Kong?

The current time difference between Tokyo and Hong Kong is 1 hour. Hong Kong is currently 1 hour behind Tokyo.

Is Hong Kong ahead of or behind Tokyo?

Hong Kong is currently 1 hour behind Tokyo.

What time is it in Hong Kong when it is 9:00 AM in Tokyo?

Using the current UTC offsets, 9:00 AM in Tokyo corresponds to 8:00 AM in Hong Kong. The exact difference can change when daylight-saving rules change.

What is the best time to call Hong Kong from Tokyo?

Typical 9:00 AM–6:00 PM business hours overlap between 10:00 AM and 6:00 PM in Tokyo. This corresponds to 9:00 AM–5:00 PM in Hong Kong.

Can the time difference between Tokyo and Hong Kong change?

Yes. The time difference can change if Tokyo or Hong Kong changes its UTC offset because of daylight-saving or other local time-zone rules. TimeInOne uses the IANA zones Asia/Tokyo and Asia/Hong_Kong for date-aware calculations.