World Timezones

Chattogram to Istanbul Converter

Compare Istanbul to Chattogram instead

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Offset

3 hours

Chattogram (GMT+6) is currently ahead of Istanbul (GMT+3).

GMT+6: UTC+6

GMT+3: UTC+3

Neither Chattogram nor Istanbul is currently observing daylight saving time.

When to schedule

Business-hours overlap: 12 PM–6 PM in Chattogram (9 AM–3 PM in Istanbul).

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

Suggested time: 3:00 PM Chattogram (12:00 PM Istanbul).

About these zones

Chattogram uses Bangladesh Standard Time (BST).

Istanbul uses Turkey Time (TRT).

Chattogram and Istanbul are approximately 3,850 miles apart.

Quick reference

Full 24-hour conversion table.

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

Daylight saving time

Neither Chattogram nor Istanbul observes daylight saving time. The offset between these zones remains constant year-round.

Daylight today

Chattogram
Sunrise
5:10 AM
Sunset
6:31 PM
Day length
13h 21m
Istanbul
Sunrise
5:38 AM
Sunset
8:26 PM
Day length
14h 48m

Daylight overlap: 9h 53m — 8:38 AM–6:31 PM in Chattogram (5:38 AM–3:31 PM in Istanbul). Both locations are in daylight during this window.

Cities in these zones

Other cities in Bangladesh Standard Time

Airports in these zones

Airports in Bangladesh Standard Time

  • DAC
  • CGP
  • JSR

Airports in Turkey Time

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

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