Time Difference Between Hong Kong and Yokohama

The time difference between Hong Kong and Yokohama is 1 hour. When it is 12:00 noon in Hong Kong, it is 13:00 in Yokohama. Hong Kong uses the Asia/Hong_Kong time zone (UTC+8), while Yokohama uses Asia/Tokyo (UTC+9).

Yokohama is 1 hour ahead of Hong Kong — 1 hour
Hong Kong, Hong Kong
04:59:06
Friday, March 27, 2026
UTC+8 · HKT
Yokohama, Japan
05:59:06
Friday, March 27, 2026
UTC+9 · JST

Time Zone Details: Hong Kong vs Yokohama

Detail Hong Kong Yokohama
Time Zone IDAsia/Hong_KongAsia/Tokyo
UTC OffsetUTC+8UTC+9
AbbreviationHKTJST
DST ActiveNoNo
CountryHong KongJapan
RegionAsiaAsia

Best Time to Schedule a Call

There are 7 overlapping business hours between Hong Kong and Yokohama (assuming 9:00–17:00 in each city). The ideal window for calls and meetings is:

09:00–16:00 in Hong Kong  =  10:00–17:00 in Yokohama

Hour-by-Hour Time Conversion

Use this table to quickly convert any hour from Hong Kong time to Yokohama time. Rows highlighted in green indicate overlapping business hours in both cities.

Hong Kong Yokohama
00:00 01:00 Night
01:00 02:00 Night
02:00 03:00 Night
03:00 04:00 Night
04:00 05:00 Night
05:00 06:00 Night
06:00 07:00
07:00 08:00
08:00 09:00
09:00 10:00 Overlap
10:00 11:00 Overlap
11:00 12:00 Overlap
12:00 13:00 Overlap
13:00 14:00 Overlap
14:00 15:00 Overlap
15:00 16:00 Overlap
16:00 17:00
17:00 18:00
18:00 19:00
19:00 20:00
20:00 21:00
21:00 22:00
22:00 23:00 Night
23:00 00:00 (+1 day) Night

Daylight Saving Time (DST) Impact

Neither Hong Kong nor Yokohama is currently observing daylight saving time. If either city observes DST, the time difference will change by 1 hour when DST begins or ends. Always double-check before scheduling across these time zones during March–April and October–November.

Practical Tips for Hong Kong–Yokohama Scheduling

Compare Hong Kong and Yokohama with Other Cities

From Hong Kong

From Yokohama

Frequently Asked Questions

What is the time difference between Hong Kong and Yokohama?

The time difference is 1 hour. Yokohama is 1 hour ahead of Hong Kong.

Does the time difference change during the year?

It can. If either Hong Kong or Yokohama observes daylight saving time, the gap will shift by 1 hour during the transition periods (typically March–April and October–November).

When is the best time to call from Hong Kong to Yokohama?

The best window is between 09:00 and 16:00 Hong Kong time, which corresponds to 10:00–17:00 in Yokohama. Both sides fall within normal business hours.

How do I convert Hong Kong time to Yokohama time?

Add 1 hour to Hong Kong time to get Yokohama time. Use the hour-by-hour table above for a quick reference.

Related Pages

For sunrise and sunset data, visit TheSunsetTimes.com. For detailed DST schedules, see DaylightSavingTime.info.