What is the time difference between Hong Kong and Shanghai?

Shanghai is 0 minutes behind Hong Kong. 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 Shanghai from Hong Kong?

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

Does Hong Kong observe daylight saving time?

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

Does Shanghai observe daylight saving time?

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

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

It is 12:00 in Shanghai, 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 Hong Kong and Shanghai use?

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

Convert Hong Kong time to Shanghai time

Right now Shanghai runs 0 minutes behind Hong Kong. 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 Hong Kong, across for Shanghai.

Hong Kong	Shanghai
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

Neither Hong Kong nor Shanghai changes its clocks, so the difference between them is the same every day of the year.

Hong Kong

Does not observe daylight saving time

Standard: UTC+8

Shanghai

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 Hong Kong, 09:00–18:00 in Shanghai.

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

Reference

The zone identifiers and offsets behind everything above.

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

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

Common questions

What is the time difference between Hong Kong and Shanghai?: Shanghai is 0 minutes behind Hong Kong. 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 Shanghai from Hong Kong?: Between 09:00–18:00 in Hong Kong, which is 09:00–18:00 in Shanghai. That is the only stretch where both cities are inside a 09:00–18:00 day.
Does Hong Kong observe daylight saving time?: No. Hong Kong stays on UTC+8 all year, so its clocks never move.
Does Shanghai observe daylight saving time?: No. Shanghai stays on UTC+8 all year, so its clocks never move.
If it is midday in Hong Kong, what time is it in Shanghai?: It is 12:00 in Shanghai, 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 Hong Kong and Shanghai use?: Hong Kong uses Asia/Hong_Kong, currently UTC+8, and Shanghai uses Asia/Shanghai, currently UTC+8. Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.