World Timezones

Hanoi to Hong Kong Converter

Compare Hong Kong to Hanoi instead
Hanoi9:20 amMon, Jun 8
HanoiICT
Vietnam · UTC+7
9:20 amMon, Jun 8
12a
1a
2a
3a
4a
5a
6a
7a
8a
9a
10a
11a
12p
1p
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3p
4p
5p
6p
7p
8p
9p
10p
11p
Hong KongHKT
Hong Kong · UTC+8
10:20 amMon, Jun 8
1a
2a
3a
4a
5a
6a
7a
8a
9a
10a
11a
12p
1p
2p
3p
4p
5p
6p
7p
8p
9p
10p
11p
12a

Offset

The time difference between Hanoi and Hong Kong is 1 hour.

1 hour

Hanoi (ICT) is behind Hong Kong (HKT).

ICT: UTC+7

HKT: UTC+8

Neither Hanoi nor Hong Kong is currently observing daylight saving time.

When to schedule

Business-hours overlap: 9 AM–4 PM in Hanoi (10 AM–5 PM in Hong Kong).

Both teams are in working hours during this window on weekdays.

Suggested time: 12:00 PM Hanoi (1:00 PM Hong Kong).

Public holidays in 2026

National public holidays can affect availability — a counterpart is likely off work on their own holidays, so it's worth planning meetings and deadlines around them.

Vietnam

  • New Year's DayThu, Jan 1
  • Reunification DayThu, Apr 30
  • Labour DayFri, May 1
  • National DayWed, Sep 2

Hong Kong

  • New Year's DayThu, Jan 1
  • Lunar New YearTue, Feb 17
  • Second day of Lunar New YearWed, Feb 18
  • Third day of Lunar New YearThu, Feb 19
  • Good FridayFri, Apr 3
  • Holy SaturdaySat, Apr 4
  • Ching Ming FestivalSat, Apr 4
  • Easter MondayMon, Apr 6
  • Labour DayFri, May 1
  • Buddha's BirthdayMon, May 25
  • Dragon Boat FestivalFri, Jun 19
  • Hong Kong Special Administrative Region Establishment DayWed, Jul 1
  • Day following the Mid-Autumn FestivalSat, Sep 26
  • National DayThu, Oct 1
  • Chung Yeung FestivalMon, Oct 19
  • Christmas DayFri, Dec 25
  • Boxing DaySat, Dec 26

About these zones

Hanoi uses Indochina Time (ICT). To call Vietnam, dial +84.

Hong Kong uses Hong Kong Time (HKT). To call Hong Kong, dial +852.

Hong Kong is approximately 550 miles east of Hanoi.

Quick reference

Full 24-hour conversion table — tap any time to open it in the converter.

HanoiHong KongDay
12:00 am1:00 amSame day
1:00 am2:00 amSame day
2:00 am3:00 amSame day
3:00 am4:00 amSame day
4:00 am5:00 amSame day
5:00 am6:00 amSame day
6:00 am7:00 amSame day
7:00 am8:00 amSame day
8:00 am9:00 amSame day
9:00 am10:00 amSame day
10:00 am11:00 amSame day
11:00 am12:00 pmSame day
12:00 pm1:00 pmSame day
1:00 pm2:00 pmSame day
2:00 pm3:00 pmSame day
3:00 pm4:00 pmSame day
4:00 pm5:00 pmSame day
5:00 pm6:00 pmSame day
6:00 pm7:00 pmSame day
7:00 pm8:00 pmSame day
8:00 pm9:00 pmSame day
9:00 pm10:00 pmSame day
10:00 pm11:00 pmSame day
11:00 pm12:00 am+1 day

Daylight saving time

Neither Hanoi nor Hong Kong observes daylight saving time. The offset between these zones remains constant year-round.

See the daylight saving time page for transition dates across every time zone.

Daylight today

Hanoi
Sunrise
5:15 AM
Sunset
6:38 PM
Day length
13h 22m
Hong Kong
Sunrise
5:40 AM
Sunset
7:07 PM
Day length
13h 27m

Daylight overlap: 12h 51m — 5:15 AM–6:07 PM in Hanoi (6:15 AM–7:07 PM in Hong Kong). Both locations are in daylight during this window.

Cities in these zones

Other cities in Indochina Time

Other cities in Hong Kong Time

Browse all cities to see the current local time anywhere.

Airports in these zones

Airports in Indochina Time

  • HAN
  • BKK
  • DMK
  • HPH

Airports in Hong Kong Time

  • HKG

Related conversions

Common conversions

What is 9:00 am Hanoi in Hong Kong?
9:00 am Hanoi is 10:00 am Hong Kong.
What is 12:00 pm Hanoi in Hong Kong?
12:00 pm Hanoi is 1:00 pm Hong Kong.
What is 12:30 pm Hanoi in Hong Kong?
12:30 pm Hanoi is 1:30 pm Hong Kong.
What is 2:00 pm Hanoi in Hong Kong?
2:00 pm Hanoi is 3:00 pm Hong Kong.
What is 5:00 pm Hanoi in Hong Kong?
5:00 pm Hanoi is 6:00 pm Hong Kong.
What is 11:30 pm Hanoi in Hong Kong?
11:30 pm Hanoi is 12:30 am Hong Kong, the next day.