Offset
The time difference between Australian Central Time and Bangladesh Standard Time is 3.5 hours.
Australian Central Time (ACST) is ahead of Bangladesh Standard Time (BST).
ACST: UTC+9:30
BST: UTC+6
Neither Australian Central Time nor Bangladesh Standard Time is currently observing daylight saving time.
When to schedule
Business-hours overlap: 1 PM–5 PM in Australian Central Time (9 AM–1 PM in Bangladesh Standard Time).
Both teams are in working hours during this window on weekdays.
Suggested time: 3:00 PM Australian Central Time (11:30 AM Bangladesh Standard Time).
This window may shift by an hour during daylight saving 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.
Australia
- New Year's DayThu, Jan 1
- Australia DayMon, Jan 26
- Good FridayFri, Apr 3
- Easter MondayMon, Apr 6
- Christmas DayFri, Dec 25
- St. Stephen's DayMon, Dec 28
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
Australian Central Time is also known as ACST, or ACDT. To call Australia, dial +61.
Bangladesh Standard Time is also known as BST. To call Bangladesh, dial +880.
Bangladesh Standard Time is approximately 5,150 miles northwest of Australian Central Time.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| ACST | BST-BANGLADESH | Day |
|---|---|---|
| 12:00 am | 8:30 pm | -1 day |
| 1:00 am | 9:30 pm | -1 day |
| 2:00 am | 10:30 pm | -1 day |
| 3:00 am | 11:30 pm | -1 day |
| 4:00 am | 12:30 am | Same day |
| 5:00 am | 1:30 am | Same day |
| 6:00 am | 2:30 am | Same day |
| 7:00 am | 3:30 am | Same day |
| 8:00 am | 4:30 am | Same day |
| 9:00 am | 5:30 am | Same day |
| 10:00 am | 6:30 am | Same day |
| 11:00 am | 7:30 am | Same day |
| 12:00 pm | 8:30 am | Same day |
| 1:00 pm | 9:30 am | Same day |
| 2:00 pm | 10:30 am | Same day |
| 3:00 pm | 11:30 am | Same day |
| 4:00 pm | 12:30 pm | Same day |
| 5:00 pm | 1:30 pm | Same day |
| 6:00 pm | 2:30 pm | Same day |
| 7:00 pm | 3:30 pm | Same day |
| 8:00 pm | 4:30 pm | Same day |
| 9:00 pm | 5:30 pm | Same day |
| 10:00 pm | 6:30 pm | Same day |
| 11:00 pm | 7:30 pm | Same day |
Daylight saving time
Australian Central Time observes daylight saving time; Bangladesh Standard Time does not. The offset between the two zones changes when Australian Central Time transitions: on Sunday, October 4, 2026, clocks spring forward from ACST to ACDT.
See the daylight saving time page for transition dates across every time zone.
Daylight today
- Sunrise
- 7:18 AM
- Sunset
- 5:12 PM
- Day length
- 9h 55m
- Sunrise
- 5:12 AM
- Sunset
- 6:44 PM
- Day length
- 13h 32m
Daylight overlap: 8h 31m — 8:42 AM–5:12 PM in Australian Central Time (5:12 AM–1:42 PM in Bangladesh Standard Time). Both locations are in daylight during this window.
Cities in these zones
Cities in Australian Central Time
Cities in Bangladesh Standard Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in Australian Central Time
- ADL
Airports in Bangladesh Standard Time
- DAC
- CGP
- JSR
Related conversions
Common conversions
- What is 9:00 am ACST in BST-BANGLADESH?
- 9:00 am ACST is 5:30 am BST-BANGLADESH.
- What is 12:00 pm ACST in BST-BANGLADESH?
- 12:00 pm ACST is 8:30 am BST-BANGLADESH.
- What is 12:30 pm ACST in BST-BANGLADESH?
- 12:30 pm ACST is 9:00 am BST-BANGLADESH.
- What is 2:00 pm ACST in BST-BANGLADESH?
- 2:00 pm ACST is 10:30 am BST-BANGLADESH.
- What is 5:00 pm ACST in BST-BANGLADESH?
- 5:00 pm ACST is 1:30 pm BST-BANGLADESH.
- What is 11:30 pm ACST in BST-BANGLADESH?
- 11:30 pm ACST is 8:00 pm BST-BANGLADESH.