World Timezones

IST to BST-BANGLADESH Converter

Compare BST-BANGLADESH to IST instead
India Standard Time10:06 amFri, Jun 5
India Standard TimeIST
Asia · UTC+5:30
10:06 amFri, Jun 5
12a
1a
2a
3a
4a
5a
6a
7a
8a
9a
10a
11a
12p
1p
2p
3p
4p
5p
6p
7p
8p
9p
10p
11p
Bangladesh Standard TimeBST
Asia · UTC+6
10:36 amFri, Jun 5
12a
1a
2a
3a
4a
5a
6a
7a
8a
9a
10a
11a
12p
1p
2p
3p
4p
5p
6p
7p
8p
9p
10p
11p

Offset

The time difference between India Standard Time and Bangladesh Standard Time is 0.5 hours.

0.5 hours

India Standard Time (IST) is behind Bangladesh Standard Time (BST).

IST: UTC+5:30

BST: UTC+6

Neither India Standard Time nor Bangladesh Standard Time is currently observing daylight saving time.

When to schedule

Business-hours overlap: 9 AM–5 PM in India Standard Time (9 AM–5 PM in Bangladesh Standard Time).

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

Suggested time: 1:00 PM India Standard Time (1:30 PM Bangladesh Standard Time).

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.

Bangladesh

  • International Mother Language DaySat, Feb 21
  • Independence and National DayThu, Mar 26
  • Bengali New YearTue, Apr 14
  • Labour DayFri, May 1
  • July Mass Uprising DayWed, Aug 5
  • Victory DayWed, Dec 16
  • Christmas DayFri, Dec 25

About these zones

India Standard Time is also known as IST. To call India, dial +91.

Bangladesh Standard Time is also known as BST. To call Bangladesh, dial +880.

Bangladesh Standard Time is approximately 1,150 miles east of India Standard Time.

Quick reference

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

ISTBST-BANGLADESHDay
12:00 am12:30 amSame day
1:00 am1:30 amSame day
2:00 am2:30 amSame day
3:00 am3:30 amSame day
4:00 am4:30 amSame day
5:00 am5:30 amSame day
6:00 am6:30 amSame day
7:00 am7:30 amSame day
8:00 am8:30 amSame day
9:00 am9:30 amSame day
10:00 am10:30 amSame day
11:00 am11:30 amSame day
12:00 pm12:30 pmSame day
1:00 pm1:30 pmSame day
2:00 pm2:30 pmSame day
3:00 pm3:30 pmSame day
4:00 pm4:30 pmSame day
5:00 pm5:30 pmSame day
6:00 pm6:30 pmSame day
7:00 pm7:30 pmSame day
8:00 pm8:30 pmSame day
9:00 pm9:30 pmSame day
10:00 pm10:30 pmSame day
11:00 pm11:30 pmSame day

Daylight saving time

Neither India Standard Time nor Bangladesh Standard Time 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

India Standard Time
Sunrise
6:01 AM
Sunset
7:15 PM
Day length
13h 14m
Bangladesh Standard Time
Sunrise
5:12 AM
Sunset
6:44 PM
Day length
13h 32m

Daylight overlap: 12h 13m — 6:01 AM–6:14 PM in India Standard Time (6:31 AM–6:44 PM in Bangladesh Standard Time). Both locations are in daylight during this window.

Cities in these zones

Cities in Bangladesh Standard Time

Browse all cities to see the current local time anywhere.

Airports in these zones

Airports in India Standard Time

  • BOM
  • NMI
  • DEL
  • BLR
  • HYD
  • AMD
  • MAA
  • CCU
  • STV
  • PNQ

Airports in Bangladesh Standard Time

  • DAC
  • CGP
  • JSR

Related conversions

Common conversions

What is 9:00 am IST in BST-BANGLADESH?
9:00 am IST is 9:30 am BST-BANGLADESH.
What is 12:00 pm IST in BST-BANGLADESH?
12:00 pm IST is 12:30 pm BST-BANGLADESH.
What is 12:30 pm IST in BST-BANGLADESH?
12:30 pm IST is 1:00 pm BST-BANGLADESH.
What is 2:00 pm IST in BST-BANGLADESH?
2:00 pm IST is 2:30 pm BST-BANGLADESH.
What is 5:00 pm IST in BST-BANGLADESH?
5:00 pm IST is 5:30 pm BST-BANGLADESH.
What is 11:30 pm IST in BST-BANGLADESH?
11:30 pm IST is 12:00 am BST-BANGLADESH, the next day.