World Timezones

Osaka to Hanoi Converter

Compare Hanoi to Osaka instead
Osaka12:44 pmMon, Jun 8
OsakaJST
Japan · UTC+9
12:44 pmMon, Jun 8
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HanoiICT
Vietnam · UTC+7
10:44 amMon, Jun 8
10p
11p
12a
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Offset

The time difference between Osaka and Hanoi is 2 hours.

2 hours

Osaka (JST) is ahead of Hanoi (ICT).

JST: UTC+9

ICT: UTC+7

Neither Osaka nor Hanoi is currently observing daylight saving time.

When to schedule

Business-hours overlap: 11 AM–5 PM in Osaka (9 AM–3 PM in Hanoi).

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

Suggested time: 2:00 PM Osaka (12:00 PM Hanoi).

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.

Japan

  • New Year's DayThu, Jan 1
  • Coming of Age DayMon, Jan 12
  • Foundation DayWed, Feb 11
  • The Emperor's BirthdayMon, Feb 23
  • Vernal Equinox DayFri, Mar 20
  • Shōwa DayWed, Apr 29
  • Constitution Memorial DayWed, May 6
  • Greenery DayMon, May 4
  • Children's DayTue, May 5
  • Marine DayMon, Jul 20
  • Mountain DayTue, Aug 11
  • Respect for the Aged DayMon, Sep 21
  • Autumnal Equinox DayWed, Sep 23
  • Sports DayMon, Oct 12
  • Culture DayTue, Nov 3
  • Labour Thanksgiving DayMon, Nov 23

Vietnam

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

About these zones

Osaka uses Japan Standard Time (JST). To call Japan, dial +81.

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

Hanoi is approximately 2,050 miles west of Osaka.

Quick reference

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

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

Daylight saving time

Neither Osaka nor Hanoi 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

Osaka
Sunrise
4:46 AM
Sunset
7:10 PM
Day length
14h 25m
Hanoi
Sunrise
5:15 AM
Sunset
6:38 PM
Day length
13h 22m

Daylight overlap: 11h 55m — 7:15 AM–7:10 PM in Osaka (5:15 AM–5:10 PM in Hanoi). Both locations are in daylight during this window.

Cities in these zones

Other cities in Indochina Time

Browse all cities to see the current local time anywhere.

Airports in these zones

Airports in Japan Standard Time

  • HND
  • NRT
  • ITM
  • KIX
  • UKB
  • NGO
  • NKM
  • CTS
  • OKD
  • FUK

Airports in Indochina Time

  • HAN
  • BKK
  • DMK
  • HPH

Related conversions

Common conversions

What is 9:00 am Osaka in Hanoi?
9:00 am Osaka is 7:00 am Hanoi.
What is 12:00 pm Osaka in Hanoi?
12:00 pm Osaka is 10:00 am Hanoi.
What is 12:30 pm Osaka in Hanoi?
12:30 pm Osaka is 10:30 am Hanoi.
What is 2:00 pm Osaka in Hanoi?
2:00 pm Osaka is 12:00 pm Hanoi.
What is 5:00 pm Osaka in Hanoi?
5:00 pm Osaka is 3:00 pm Hanoi.
What is 11:30 pm Osaka in Hanoi?
11:30 pm Osaka is 9:30 pm Hanoi.