What is the time difference between Hong Kong and Dublin?

Dublin is 7 hours 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 Dublin from Hong Kong?

Between 16:00–18:00 in Hong Kong, which is 09:00–11:00 in Dublin. 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 Dublin observe daylight saving time?

Yes. Dublin runs on UTC+0 in winter and UTC+1 in summer. The next change is on 2026-10-25, when clocks go back by 60 minutes.

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

It is 05:00 in Dublin, on the same calendar date. That holds for the current offsets; it shifts by an hour around the daylight saving dates listed above.

Which time zones do Hong Kong and Dublin use?

Hong Kong uses Asia/Hong_Kong, currently UTC+8, and Dublin uses Europe/Dublin, currently UTC+1 (IST). Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.

Convert Hong Kong time to Dublin time

Right now Dublin runs 7 hours behind Hong Kong. That gap is not fixed: it moves when either city changes its clocks.

Convert a time

From

Date

Time

Converted time

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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 Dublin.

Hong Kong	Dublin
00:00	17:00previous day
01:00	18:00previous day
02:00	19:00previous day
03:00	20:00previous day
04:00	21:00previous day
05:00	22:00previous day
06:00	23:00previous day
07:00	00:00
08:00	01:00
09:00	02:00
10:00	03:00
11:00	04:00
12:00	05:00
13:00	06:00
14:00	07:00
15:00	08:00
16:00	09:00
17:00	10:00
18:00	11:00
19:00	12:00
20:00	13:00
21:00	14:00
22:00	15:00
23:00	16:00

Daylight saving time

Dublin changes its clocks; Hong Kong does not. The difference between them therefore shifts by an hour twice a year.

Hong Kong

Does not observe daylight saving time

Standard: UTC+8

Dublin

Observes daylight saving time

Standard: UTC+0
Daylight: UTC+1
Next change: 2026-10-25 −60m

When you can actually talk

The window is 2 hours wide — 16:00–18:00 in Hong Kong, 09:00–11:00 in Dublin.

Hong Kong 16:00–18:00Dublin 09:00–11:00

Reference

The underlying data, in case you need to put it in a calendar invitation or a configuration file.

	Hong Kong	Dublin
IANA zone	Asia/Hong_Kong	Europe/Dublin
Abbreviation	UTC+8	IST
Standard offset	UTC+8	UTC+0
Daylight offset	—	UTC+1
Clock changes this year	0	2
Country	Hong Kong SAR China	Ireland

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

Common questions

What is the time difference between Hong Kong and Dublin?: Dublin is 7 hours 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 Dublin from Hong Kong?: Between 16:00–18:00 in Hong Kong, which is 09:00–11:00 in Dublin. 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 Dublin observe daylight saving time?: Yes. Dublin runs on UTC+0 in winter and UTC+1 in summer. The next change is on 2026-10-25, when clocks go back by 60 minutes.
If it is midday in Hong Kong, what time is it in Dublin?: It is 05:00 in Dublin, on the same calendar date. That holds for the current offsets; it shifts by an hour around the daylight saving dates listed above.
Which time zones do Hong Kong and Dublin use?: Hong Kong uses Asia/Hong_Kong, currently UTC+8, and Dublin uses Europe/Dublin, currently UTC+1 (IST). Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.