IST to BNT Time Converter

Convert India Standard Time (IST) to Brunei Darussalam Time (BNT). Both time zones are shown live below; current offset between them is 2h 30m ahead.

Mumbai · India Standard Time
21:31:51
Wednesday, May 13, 2026
GMT+5:30 · UTC+05:30
Bandar Seri Begawan · Brunei Darussalam Time
00:01:51
Thursday, May 14, 2026
GMT+8 · UTC+08:00

Convert a specific time

From: IST (Mumbai)
To: BNT (Bandar Seri Begawan)
--:--

Daylight Saving status right now

IST (India Standard Time)
Observes DST
No
BNT (Brunei Darussalam Time)
Observes DST
No

When can IST and BNT meet?

00
01
02
03
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06
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08
09
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IST
BNT
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.
6 hours of overlap during standard 9am-5pm working hours.
Best meeting window: 09:00–14:00 IST (11:30–16:30 BNT).

Hour-by-hour IST to BNT conversion table

IST time (Mumbai)BNT time (Bandar Seri Begawan)Status
00:00 Wed02:30 WedOff-hours both sides
01:00 Wed03:30 WedOff-hours both sides
02:00 Wed04:30 WedOff-hours both sides
03:00 Wed05:30 WedOff-hours both sides
04:00 Wed06:30 WedOff-hours both sides
05:00 Wed07:30 WedOff-hours both sides
06:00 Wed08:30 WedOff-hours both sides
07:00 Wed09:30 WedBNT working
08:00 Wed10:30 WedBNT working
09:00 Wed11:30 WedBoth at work
10:00 Wed12:30 WedBoth at work
11:00 Wed13:30 WedBoth at work
12:00 Wed14:30 WedBoth at work
13:00 Wed15:30 WedBoth at work
14:00 Wed16:30 WedBoth at work
15:00 Wed17:30 WedIST working
16:00 Wed18:30 WedIST working
17:00 Wed19:30 WedOff-hours both sides
18:00 Wed20:30 WedOff-hours both sides
19:00 Wed21:30 WedOff-hours both sides
20:00 Wed22:30 WedOff-hours both sides
21:00 Wed23:30 WedOff-hours both sides
22:00 Wed00:30 ThuOff-hours both sides
23:00 Wed01:30 ThuOff-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
Brunei Darussalam Time (BNT)
IANA identifier
Asia/Brunei
Current UTC offset
UTC+08:00
Current abbreviation
GMT+8
Major cities in this zone
Bandar Seri Begawan

Sun today in Mumbai and Bandar Seri Begawan

Mumbai
Sunrise
06:06
Sunset
19:06
Solar noon
12:36
Daylight
13h 0m

Related converters

BNT to IST (reverse)IST to ESTIST to PSTIST to GMTIST to UTCIST to CETEST to BNTPST to BNTGMT to BNTUTC to BNTCET to BNT
Looking for local time? See time in Mumbai or time in Bandar Seri Begawan.

Frequently asked questions

What is the time difference between IST and BNT right now?+
BNT (Brunei Darussalam Time) is currently 2h 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 BNT observe daylight saving time?+
IST: does not observe daylight saving time. BNT: does not observe daylight saving time.
When is the best time to schedule a meeting between IST and BNT?+
The strongest overlap is 09:00–14:00 IST (11:30–16:30 BNT), giving 6 hours when both sides are within standard 9am-5pm working hours.
What time is it in Bandar Seri Begawan when it is 12:00 noon in Mumbai?+
When it is 12:00 Wed in Mumbai (IST), it is 14:30 Wed in Bandar Seri Begawan (BNT).
Which IANA time zone identifiers are used for IST and BNT?+
IST maps to "Asia/Kolkata" in the IANA database. BNT maps to "Asia/Brunei". These identifiers are what most software libraries use to convert times accurately, including DST handling.
Is Mumbai ahead of or behind Bandar Seri Begawan?+
Whether Mumbai (IST) is ahead of or behind Bandar Seri Begawan (BNT) depends on the current UTC offsets. Right now BNT is 2h 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 BNT?+
IST is UTC+05:30 (GMT+5:30) and BNT is UTC+08:00 (GMT+8). 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 BNT?+
Yes. There are 6 hours of overlap during standard 9am-5pm working hours, with the strongest window at 09:00–14:00 IST.