IST to BDT Time Converter

Convert India Standard Time (IST) to Bangladesh Time (BDT). Both time zones are shown live below; current offset between them is 0h 30m ahead.

Mumbai · India Standard Time
19:52:46
Monday, May 11, 2026
GMT+5:30 · UTC+05:30
Dhaka · Bangladesh Time
20:22:46
Monday, May 11, 2026
GMT+6 · UTC+06:00

Convert a specific time

From: IST (Mumbai)
To: BDT (Dhaka)
--:--

Daylight Saving status right now

IST (India Standard Time)
Observes DST
No
BDT (Bangladesh Time)
Observes DST
No

When can IST and BDT meet?

00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
IST
BDT
Both zones in working hours (9am-5pm)
One zone working
Off-hours
Columns are hours of the day in Mumbai (IST). Each row shows the local working-hours state in that zone for the same moment in time.
8 hours of overlap during standard 9am-5pm working hours.
Best meeting window: 09:00–16:00 IST (09:30–16:30 BDT).

Hour-by-hour IST to BDT conversion table

IST time (Mumbai)BDT time (Dhaka)Status
00:00 Mon00:30 MonOff-hours both sides
01:00 Mon01:30 MonOff-hours both sides
02:00 Mon02:30 MonOff-hours both sides
03:00 Mon03:30 MonOff-hours both sides
04:00 Mon04:30 MonOff-hours both sides
05:00 Mon05:30 MonOff-hours both sides
06:00 Mon06:30 MonOff-hours both sides
07:00 Mon07:30 MonOff-hours both sides
08:00 Mon08:30 MonOff-hours both sides
09:00 Mon09:30 MonBoth at work
10:00 Mon10:30 MonBoth at work
11:00 Mon11:30 MonBoth at work
12:00 Mon12:30 MonBoth at work
13:00 Mon13:30 MonBoth at work
14:00 Mon14:30 MonBoth at work
15:00 Mon15:30 MonBoth at work
16:00 Mon16:30 MonBoth at work
17:00 Mon17:30 MonOff-hours both sides
18:00 Mon18:30 MonOff-hours both sides
19:00 Mon19:30 MonOff-hours both sides
20:00 Mon20:30 MonOff-hours both sides
21:00 Mon21:30 MonOff-hours both sides
22:00 Mon22:30 MonOff-hours both sides
23:00 Mon23:30 MonOff-hours both sides

Times computed for today in each zone using the IANA time zone database. The conversion accounts for daylight saving time wherever applicable.

About these time zones

India Standard Time (IST)
IANA identifier
Asia/Kolkata
Current UTC offset
UTC+05:30
Current abbreviation
GMT+5:30
Major cities in this zone
MumbaiNew DelhiBangaloreChennaiKolkata
Bangladesh Time (BDT)
IANA identifier
Asia/Dhaka
Current UTC offset
UTC+06:00
Current abbreviation
GMT+6
Major cities in this zone
Dhaka

Sun today in Mumbai and Dhaka

Mumbai
Sunrise
06:06
Sunset
19:05
Solar noon
12:36
Daylight
12h 58m

Related converters

BDT to IST (reverse)IST to ESTIST to PSTIST to GMTIST to UTCIST to CETEST to BDTPST to BDTGMT to BDTUTC to BDTCET to BDT
Looking for local time? See time in Mumbai or time in Dhaka.

Frequently asked questions

What is the time difference between IST and BDT right now?+
BDT (Bangladesh Time) is currently 0h 30m ahead IST (India Standard Time). The exact difference can change when one or both zones transition into or out of daylight saving time.
Does IST or BDT observe daylight saving time?+
IST: does not observe daylight saving time. BDT: does not observe daylight saving time.
When is the best time to schedule a meeting between IST and BDT?+
The strongest overlap is 09:00–16:00 IST (09:30–16:30 BDT), giving 8 hours when both sides are within standard 9am-5pm working hours.
What time is it in Dhaka when it is 12:00 noon in Mumbai?+
When it is 12:00 Mon in Mumbai (IST), it is 12:30 Mon in Dhaka (BDT).
Which IANA time zone identifiers are used for IST and BDT?+
IST maps to "Asia/Kolkata" in the IANA database. BDT maps to "Asia/Dhaka". These identifiers are what most software libraries use to convert times accurately, including DST handling.
Is Mumbai ahead of or behind Dhaka?+
Whether Mumbai (IST) is ahead of or behind Dhaka (BDT) depends on the current UTC offsets. Right now BDT is 0h 30m ahead IST. The live converter and side-by-side clocks above always reflect the current direction.
What are the current UTC offsets for IST and BDT?+
IST is UTC+05:30 (GMT+5:30) and BDT is UTC+06:00 (GMT+6). Both offsets shift by one hour when the corresponding region enters or exits daylight saving time, so the live values on this page are the source of truth.
Can I schedule meetings during business hours for both IST and BDT?+
Yes. There are 8 hours of overlap during standard 9am-5pm working hours, with the strongest window at 09:00–16:00 IST.