Convert BDT to ACDT
ACDT is 4 hours 30 minutes ahead of BDT. BDT is UTC+6 and ACDT is UTC+10:30.
Right now: BDT · ACDT
Best time to schedule a meeting
Standard 9–5 working hours overlap for 4 hours: 9:00 AM–1:00 PM BDT (1:00 PM–5:00 PM ACDT). Schedule meetings inside that window.
| BDT | ACDT | Suitable? |
|---|---|---|
| 9:00 AM | 1:30 PM | working hours |
| 10:00 AM | 2:30 PM | working hours |
| 11:00 AM | 3:30 PM | working hours |
| 12:00 PM | 4:30 PM | working hours |
| 1:00 PM | 5:30 PM | outside 9–5 |
| 2:00 PM | 6:30 PM | outside 9–5 |
| 3:00 PM | 7:30 PM | outside 9–5 |
| 4:00 PM | 8:30 PM | outside 9–5 |
| 5:00 PM | 9:30 PM | outside 9–5 |
BDT to ACDT conversion table
| BDT | ACDT |
|---|---|
| 12:00 AM | 4:30 AM |
| 1:00 AM | 5:30 AM |
| 2:00 AM | 6:30 AM |
| 3:00 AM | 7:30 AM |
| 4:00 AM | 8:30 AM |
| 5:00 AM | 9:30 AM |
| 6:00 AM | 10:30 AM |
| 7:00 AM | 11:30 AM |
| 8:00 AM | 12:30 PM |
| 9:00 AM | 1:30 PM |
| 10:00 AM | 2:30 PM |
| 11:00 AM | 3:30 PM |
| 12:00 PM | 4:30 PM |
| 1:00 PM | 5:30 PM |
| 2:00 PM | 6:30 PM |
| 3:00 PM | 7:30 PM |
| 4:00 PM | 8:30 PM |
| 5:00 PM | 9:30 PM |
| 6:00 PM | 10:30 PM |
| 7:00 PM | 11:30 PM |
| 8:00 PM | 12:30 AM (next day) |
| 9:00 PM | 1:30 AM (next day) |
| 10:00 PM | 2:30 AM (next day) |
| 11:00 PM | 3:30 AM (next day) |
About BDT
Bangladesh Standard Time (BDT) is UTC+6. It is used in Bangladesh, all year.
Bangladesh Standard Time is UTC+6 with no daylight saving. It is more often written BST, which is where the trouble starts: BST also means British Summer Time at UTC+1, and the two readings are five hours apart. Converter sites split on which they answer for and rarely say. BDT is the unambiguous way to write it, and worth using in anything that matters.
About ACDT
Australian Central Daylight Time (ACDT) is UTC+10:30. It is used in Adelaide in summer.
Australian Central Daylight Time is UTC+10:30, what South Australia keeps from October to April. Darwin stays on ACST through the summer, so for those months two cities in the same nominal zone are an hour apart — the only reason to be precise about which of the two abbreviations a meeting invitation carries.
Does this gap change with the seasons?
Neither BDT nor ACDT shifts with the seasons, so this 4.5-hour difference holds all year. That is unusual enough to be worth relying on: most cross-continental gaps move twice a year.
This is the reason scheduling systems store an IANA zone such as Region/City rather than an offset or an abbreviation: the zone knows its own rules and the offset does not.
Frequently asked questions
What time is 9:00 AM BDT in ACDT?
9:00 AM BDT is 1:30 PM ACDT.
Is ACDT ahead of BDT?
ACDT is 4 hours 30 minutes ahead of BDT.
Which time zone does this use?
BDT is UTC+6 and ACDT is UTC+10:30. Both abbreviations denote a single fixed offset, so this conversion never shifts with daylight saving — what changes is which abbreviation a place is using at the time.