What is the time difference between Shanghai and Hong Kong?

Hong Kong is 0 minutes behind Shanghai. That figure is current — it changes by an hour when either city starts or ends daylight saving, and the exact dates are listed above.

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

Between 09:00–18:00 in Shanghai, which is 09:00–18:00 in Hong Kong. That is the only stretch where both cities are inside a 09:00–18:00 day.

Does Shanghai observe daylight saving time?

No. Shanghai stays on UTC+8 all year, so its clocks never move.

Does Hong Kong observe daylight saving time?

No. Hong Kong stays on UTC+8 all year, so its clocks never move.

If it is midday in Shanghai, what time is it in Hong Kong?

It is 12:00 in Hong Kong, on the same calendar date. That holds for the current offsets; it does not change through the year, because neither city moves its clocks.

Which time zones do Shanghai and Hong Kong use?

Shanghai uses Asia/Shanghai, currently UTC+8, and Hong Kong uses Asia/Hong_Kong, currently UTC+8. Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.

Convert Shanghai time to Hong Kong time

Right now Hong Kong runs 0 minutes behind Shanghai. That gap is not fixed: it moves when either city changes its clocks.

Convert a time

From

Date

Time

Converted time

—

The converter needs JavaScript to run. Everything below — offsets, daylight saving dates and the hour-by-hour table — is part of the page and works without it.

Hour by hour

The whole day mapped across: read down the left for Shanghai, across for Hong Kong.

Shanghai	Hong Kong
00:00	00:00
01:00	01:00
02:00	02:00
03:00	03:00
04:00	04:00
05:00	05:00
06:00	06:00
07:00	07:00
08:00	08:00
09:00	09:00
10:00	10:00
11:00	11:00
12:00	12:00
13:00	13:00
14:00	14:00
15:00	15:00
16:00	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	23:00

Daylight saving time

Both cities keep one offset all year. Whatever difference holds today still holds in six months.

Shanghai

Does not observe daylight saving time

Standard: UTC+8

Hong Kong

Does not observe daylight saving time

Standard: UTC+8

When you can actually talk

The window is 9 hours wide — 09:00–18:00 in Shanghai, 09:00–18:00 in Hong Kong.

Shanghai 09:00–18:00Hong Kong 09:00–18:00

Reference

The zone identifiers and offsets behind everything above.

	Shanghai	Hong Kong
IANA zone	Asia/Shanghai	Asia/Hong_Kong
Abbreviation	UTC+8	UTC+8
Standard offset	UTC+8	UTC+8
Daylight offset	—	—
Clock changes this year	0	0
Country	China	Hong Kong SAR China

Example, not the current time. Live times appear once the page loads.

Common questions

What is the time difference between Shanghai and Hong Kong?: Hong Kong is 0 minutes behind Shanghai. That figure is current — it changes by an hour when either city starts or ends daylight saving, and the exact dates are listed above.
When is the best time to call Hong Kong from Shanghai?: Between 09:00–18:00 in Shanghai, which is 09:00–18:00 in Hong Kong. That is the only stretch where both cities are inside a 09:00–18:00 day.
Does Shanghai observe daylight saving time?: No. Shanghai stays on UTC+8 all year, so its clocks never move.
Does Hong Kong observe daylight saving time?: No. Hong Kong stays on UTC+8 all year, so its clocks never move.
If it is midday in Shanghai, what time is it in Hong Kong?: It is 12:00 in Hong Kong, on the same calendar date. That holds for the current offsets; it does not change through the year, because neither city moves its clocks.
Which time zones do Shanghai and Hong Kong use?: Shanghai uses Asia/Shanghai, currently UTC+8, and Hong Kong uses Asia/Hong_Kong, currently UTC+8. Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.