IST to BDT Converter
Start by searching for a time zone, city, or town.
Add one or more places to compare local times, adjust the date, and share the result.
Quick answers
Selected conversion
5:30 pm17:30 IST (UTC+5:30), Oct 18, 2026 = 6:00 pm18:00 BDT (UTC+6), Oct 18, 2026
IST is 30 minutes behind BDT.
IST and BDT examples
These examples always use IST (UTC+5:30) and BDT (UTC+6). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
IST is 30 minutes behind BDT.
How the time difference changes
IST is 30 minutes behind BDT year-round.
Working hours of 9:00 am to 6:00 pm in IST correspond to 9:30 am to 6:30 pm in BDT.Working hours of 09:00 to 18:00 in IST correspond to 09:30 to 18:30 in BDT.
Compare IST time with BDT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
India Standard Time is 30 minutes behind Bangladesh Time.
5:30 pm17:30 in IST is 6:00 pm18:00 in BDT
IST to BDT call time
Best time for a conference call or a meeting is between 9am-5:30pm09:00-17:30 in IST which corresponds to 9:30am-6pm09:30-18:00 in BDT
5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours
6:00 pm18:00 Bangladesh Time (BDT). Offset UTC +6:00 hours
5:30 pm17:30 IST / 6:00 pm18:00 BDT
Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.
| IST | BDT |
|---|---|
| 12:30am | |
| 1:30am | |
| 2:30am | |
| 3:30am | |
| 4:30am | |
| 5:30am | |
| 6:30am | |
| 7:30am | |
| 8:30am | |
| 9:30am | |
| 10:30am | |
| 11:30am | |
| 12:30pm | |
| 1:30pm | |
| 2:30pm | |
| 3:30pm | |
| 4:30pm | |
| 5:30pm | |
| 6:30pm | |
| 7:30pm | |
| 8:30pm | |
| 9:30pm | |
| 10:30pm | |
| 11:30pm | |
| 00:30 | |
| 01:30 | |
| 02:30 | |
| 03:30 | |
| 04:30 | |
| 05:30 | |
| 06:30 | |
| 07:30 | |
| 08:30 | |
| 09:30 | |
| 10:30 | |
| 11:30 | |
| 12:30 | |
| 13:30 | |
| 14:30 | |
| 15:30 | |
| 16:30 | |
| 17:30 | |
| 18:30 | |
| 19:30 | |
| 20:30 | |
| 21:30 | |
| 22:30 | |
| 23:30 |
India Standard Time
Offset: IST is 5 hours and 30 minutes ahead of Greenwich Mean Time (GMT).
Countries using this time zone: India
Principal Cities: The largest city in the IST time zone is Mumbai in India, with about 12.692 million people. Other major cities in this time zone include Delhi, Bengaluru, Hyderabad, Ahmedabad.
Daylight Saving: Clocks in India Standard Time (IST) do not change for daylight saving time, so IST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.
Current time in India: India time now
IST representations, usage and related time zones
- +0530 - basic
- +05:30 - extended
- +0530 - sign character (+) followed by a four digit time providing hours (05) and minutes (30) of the offset. Indicates an offset of five hours and thirty minutes to the east of the zero meridian.
- Asia/Calcutta
- Asia/Kolkata
- India Standard Time - UTC +5:30
- Irish Standard Time - UTC +1
- Israel Standard Time - UTC +2
Bangladesh Time
Offset: BDT is 6 hours ahead of Greenwich Mean Time (GMT).
Countries using this time zone: Bangladesh
Principal Cities: The largest city in the BDT time zone is Dhaka in Bangladesh, with about 10.357 million people. Other major cities in this time zone include Chattogram, Gazipur, Khulna, Rangpur.
Daylight Saving: Clocks in Bangladesh Time (BDT) do not change for daylight saving time, so BDT stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.
BDT representations, usage and related time zones
- +06 - basic short
- +0600 - basic
- +06:00 - extended
- +0600 - sign character (+) followed by a four digit time providing hours (06) and minutes (00) of the offset. Indicates an offset of six hours to the east of the zero meridian.
- Foxtrot - Military abbreviation for BDT
- F - short form of 'Foxtrot'
- BST - Bangladesh Standard Time
- BDT - Bangladesh Time
- BTT - Bhutan Time
- F - Foxtrot Time Zone
- IOT - Indian Chagos Time
- KGT - Kyrgyzstan Time
- OMST - Omsk Standard Time
- XJT - Xinjiang Time
- YEKST - Yekaterinburg Summer Time