World Timezones

BST-BANGLADESH to AST Converter

Compare AST to BST-BANGLADESH instead
Bangladesh Standard Time10:36 amFri, Jun 5
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
Arabia Standard TimeAST
Middle East · UTC+3
7:36 amFri, Jun 5
9p
10p
11p
12a
1a
2a
3a
4a
5a
6a
7a
8a
9a
10a
11a
12p
1p
2p
3p
4p
5p
6p
7p
8p

Offset

The time difference between Bangladesh Standard Time and Arabia Standard Time is 3 hours.

3 hours

Bangladesh Standard Time (BST) is ahead of Arabia Standard Time (AST).

BST: UTC+6

AST: UTC+3

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

When to schedule

Business-hours overlap: 12 PM–5 PM in Bangladesh Standard Time (9 AM–2 PM in Arabia Standard Time).

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

Suggested time: 2:00 PM Bangladesh Standard Time (11:00 AM Arabia Standard Time).

Note: the working week in Saudi Arabia runs Sunday–Thursday; Friday–Saturday is the weekend, so overlap on those days is limited.

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

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

Arabia Standard Time is also known as AST. To call Saudi Arabia, dial +966.

Arabia Standard Time is approximately 2,750 miles west of Bangladesh Standard Time.

Quick reference

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

BST-BANGLADESHASTDay
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 Bangladesh Standard Time nor Arabia 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

Bangladesh Standard Time
Sunrise
5:12 AM
Sunset
6:44 PM
Day length
13h 32m
Arabia Standard Time
Sunrise
5:05 AM
Sunset
6:41 PM
Day length
13h 36m

Daylight overlap: 10h 39m — 8:05 AM–6:44 PM in Bangladesh Standard Time (5:05 AM–3:44 PM in Arabia Standard Time). Both locations are in daylight during this window.

Cities in these zones

Cities in Bangladesh Standard Time

Cities in Arabia Standard Time

Browse all cities to see the current local time anywhere.

Airports in these zones

Airports in Bangladesh Standard Time

  • DAC
  • CGP
  • JSR

Airports in Arabia Standard Time

  • JED
  • RUH
  • MED
  • DMM

Related conversions

Common conversions

What is 9:00 am BST-BANGLADESH in AST?
9:00 am BST-BANGLADESH is 6:00 am AST.
What is 12:00 pm BST-BANGLADESH in AST?
12:00 pm BST-BANGLADESH is 9:00 am AST.
What is 12:30 pm BST-BANGLADESH in AST?
12:30 pm BST-BANGLADESH is 9:30 am AST.
What is 2:00 pm BST-BANGLADESH in AST?
2:00 pm BST-BANGLADESH is 11:00 am AST.
What is 5:00 pm BST-BANGLADESH in AST?
5:00 pm BST-BANGLADESH is 2:00 pm AST.
What is 11:30 pm BST-BANGLADESH in AST?
11:30 pm BST-BANGLADESH is 8:30 pm AST.