BNT to IST Time Converter

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

Bandar Seri Begawan · Brunei Darussalam Time
23:18:41
Wednesday, May 13, 2026
GMT+8 · UTC+08:00
Mumbai · India Standard Time
20:48:41
Wednesday, May 13, 2026
GMT+5:30 · UTC+05:30

Convert a specific time

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

Daylight Saving status right now

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

When can BNT and IST meet?

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BNT
IST
Both zones in working hours (9am-5pm)
One zone working
Off-hours
Columns are hours of the day in Bandar Seri Begawan (BNT). Each row shows the local working-hours state in that zone for the same moment in time.
5 hours of overlap during standard 9am-5pm working hours.
Best meeting window: 12:00–16:00 BNT (09:30–13:30 IST).

Hour-by-hour BNT to IST conversion table

BNT time (Bandar Seri Begawan)IST time (Mumbai)Status
00:00 Wed21:30 TueOff-hours both sides
01:00 Wed22:30 TueOff-hours both sides
02:00 Wed23:30 TueOff-hours both sides
03:00 Wed00:30 WedOff-hours both sides
04:00 Wed01:30 WedOff-hours both sides
05:00 Wed02:30 WedOff-hours both sides
06:00 Wed03:30 WedOff-hours both sides
07:00 Wed04:30 WedOff-hours both sides
08:00 Wed05:30 WedOff-hours both sides
09:00 Wed06:30 WedBNT working
10:00 Wed07:30 WedBNT working
11:00 Wed08:30 WedBNT working
12:00 Wed09:30 WedBoth at work
13:00 Wed10:30 WedBoth at work
14:00 Wed11:30 WedBoth at work
15:00 Wed12:30 WedBoth at work
16:00 Wed13:30 WedBoth at work
17:00 Wed14:30 WedIST working
18:00 Wed15:30 WedIST working
19:00 Wed16:30 WedIST working
20:00 Wed17:30 WedOff-hours both sides
21:00 Wed18:30 WedOff-hours both sides
22:00 Wed19:30 WedOff-hours both sides
23:00 Wed20:30 WedOff-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

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
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

Sun today in Bandar Seri Begawan and Mumbai

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

Related converters

IST to BNT (reverse)BNT to ESTBNT to PSTBNT to GMTBNT to UTCBNT to CETEST to ISTPST to ISTGMT to ISTUTC to ISTCET to IST
Looking for local time? See time in Bandar Seri Begawan or time in Mumbai.

Frequently asked questions

What is the time difference between BNT and IST right now?+
IST (India Standard Time) is currently 2h 30m behind BNT (Brunei Darussalam Time). The exact difference can change when one or both zones transition into or out of daylight saving time.
Does BNT or IST observe daylight saving time?+
BNT: does not observe daylight saving time. IST: does not observe daylight saving time.
When is the best time to schedule a meeting between BNT and IST?+
The strongest overlap is 12:00–16:00 BNT (09:30–13:30 IST), giving 5 hours when both sides are within standard 9am-5pm working hours.
What time is it in Mumbai when it is 12:00 noon in Bandar Seri Begawan?+
When it is 12:00 Wed in Bandar Seri Begawan (BNT), it is 09:30 Wed in Mumbai (IST).
Which IANA time zone identifiers are used for BNT and IST?+
BNT maps to "Asia/Brunei" in the IANA database. IST maps to "Asia/Kolkata". These identifiers are what most software libraries use to convert times accurately, including DST handling.
Is Bandar Seri Begawan ahead of or behind Mumbai?+
Whether Bandar Seri Begawan (BNT) is ahead of or behind Mumbai (IST) depends on the current UTC offsets. Right now IST is 2h 30m behind BNT. The live converter and side-by-side clocks above always reflect the current direction.
What are the current UTC offsets for BNT and IST?+
BNT is UTC+08:00 (GMT+8) and IST is UTC+05:30 (GMT+5:30). 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 BNT and IST?+
Yes. There are 5 hours of overlap during standard 9am-5pm working hours, with the strongest window at 12:00–16:00 BNT.