What is the time difference between Toronto and Hong Kong?

Hong Kong is 12 hours ahead of Toronto. 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 Toronto?

There is no time inside normal working hours in both cities, so someone has to take the call outside them. The nearest workable windows are listed above — pick one and alternate who gets the awkward slot.

Does Toronto observe daylight saving time?

Yes. Toronto runs on UTC-5 in winter and UTC-4 in summer. The next change is on 2026-11-01, when clocks go back by 60 minutes.

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 Toronto, what time is it in Hong Kong?

It is 00:00 in Hong Kong, and already the following day. That holds for the current offsets; it shifts by an hour around the daylight saving dates listed above.

Which time zones do Toronto and Hong Kong use?

Toronto uses America/Toronto, currently UTC-4 (EDT), 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 Toronto time to Hong Kong time

Hong Kong is 12 hours ahead of Toronto right now, so midday in Toronto lands in the small hours in Hong Kong.

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 Toronto, across for Hong Kong.

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

Daylight saving time

Hong Kong keeps one offset all year while Toronto moves twice. That is the whole reason this difference is seasonal.

Toronto

Observes daylight saving time

Standard: UTC-5
Daylight: UTC-4
Next change: 2026-11-01 −60m

Hong Kong

Does not observe daylight saving time

Standard: UTC+8

When you can actually talk

There is no hour where both cities are inside a 09:00–18:00 working day. Someone has to move — the nearest workable windows are below.

Toronto 21:00–06:00Hong Kong 09:00–18:00
Toronto 09:00–18:00Hong Kong 21:00–06:00

Reference

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

	Toronto	Hong Kong
IANA zone	America/Toronto	Asia/Hong_Kong
Abbreviation	EDT	UTC+8
Standard offset	UTC-5	UTC+8
Daylight offset	UTC-4	—
Clock changes this year	2	0
Country	Canada	Hong Kong SAR China

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

Common questions

What is the time difference between Toronto and Hong Kong?: Hong Kong is 12 hours ahead of Toronto. 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 Toronto?: There is no time inside normal working hours in both cities, so someone has to take the call outside them. The nearest workable windows are listed above — pick one and alternate who gets the awkward slot.
Does Toronto observe daylight saving time?: Yes. Toronto runs on UTC-5 in winter and UTC-4 in summer. The next change is on 2026-11-01, when clocks go back by 60 minutes.
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 Toronto, what time is it in Hong Kong?: It is 00:00 in Hong Kong, and already the following day. That holds for the current offsets; it shifts by an hour around the daylight saving dates listed above.
Which time zones do Toronto and Hong Kong use?: Toronto uses America/Toronto, currently UTC-4 (EDT), 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.