World Timezones

Istanbul to Haiphong Converter

Compare Haiphong to Istanbul instead
Istanbul8:57 amTue, Jul 21
IstanbulTRT
Turkey · UTC+3
8:57 amTue, Jul 21
12a
1a
2a
3a
4a
5a
6a
7a
8a
9a
10a
11a
12p
1p
2p
3p
4p
5p
6p
7p
8p
9p
10p
11p
HaiphongICT
Vietnam · UTC+7
12:57 pmTue, Jul 21
4a
5a
6a
7a
8a
9a
10a
11a
12p
1p
2p
3p
4p
5p
6p
7p
8p
9p
10p
11p
12a
1a
2a
3a

Offset

The time difference between Istanbul and Haiphong is 4 hours.

4 hours

Istanbul (TRT) is behind Haiphong (ICT).

TRT: UTC+3

ICT: UTC+7

Neither Istanbul nor Haiphong is currently observing daylight saving time.

When to schedule

Business-hours overlap: 9 AM–1 PM in Istanbul (1 PM–5 PM in Haiphong).

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

Suggested time: 11:00 AM Istanbul (3:00 PM Haiphong).

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.

Turkey

  • New Year's DayThu, Jan 1
  • National Independence & Children's DayThu, Apr 23
  • Labour DayFri, May 1
  • Atatürk Commemoration & Youth DayTue, May 19
  • Democracy and National Unity DayWed, Jul 15
  • Victory DaySun, Aug 30
  • Republic DayThu, Oct 29

Vietnam

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

About these zones

Istanbul uses Turkey Time (TRT). To call Turkey, dial +90.

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

Haiphong is approximately 4,650 miles east of Istanbul.

Quick reference

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

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

Daylight saving time

Neither Istanbul nor Haiphong 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

Istanbul
Sunrise
5:50 AM
Sunset
8:32 PM
Day length
14h 42m
Haiphong
Sunrise
5:24 AM
Sunset
6:37 PM
Day length
13h 13m

Daylight overlap: 8h 47m — 5:50 AM–2:37 PM in Istanbul (9:50 AM–6:37 PM in Haiphong). 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 Turkey Time

  • IST
  • SAW
  • ESB
  • YEI
  • ADB
  • GZT
  • DIY
  • ADA
  • COV
  • ASR

Airports in Indochina Time

  • HAN
  • BKK
  • DMK
  • HPH

Related conversions

Common conversions

What is 9:00 am Istanbul in Haiphong?
9:00 am Istanbul is 1:00 pm Haiphong.
What is 12:00 pm Istanbul in Haiphong?
12:00 pm Istanbul is 4:00 pm Haiphong.
What is 12:30 pm Istanbul in Haiphong?
12:30 pm Istanbul is 4:30 pm Haiphong.
What is 2:00 pm Istanbul in Haiphong?
2:00 pm Istanbul is 6:00 pm Haiphong.
What is 5:00 pm Istanbul in Haiphong?
5:00 pm Istanbul is 9:00 pm Haiphong.
What is 11:30 pm Istanbul in Haiphong?
11:30 pm Istanbul is 3:30 am Haiphong, the next day.