BRT to IST Time Converter

Convert Brasília Time (BRT) to India Standard Time (IST). Both time zones are shown live below; current offset between them is 8h 30m ahead.

São Paulo · Brasília Time
05:06:40
Tuesday, May 12, 2026
GMT-3 · UTC-03:00
Mumbai · India Standard Time
13:36:40
Tuesday, May 12, 2026
GMT+5:30 · UTC+05:30

Convert a specific time

From: BRT (São Paulo)
To: IST (Mumbai)
--:--

Daylight Saving status right now

BRT (Brasília Time)
Observes DST
No
IST (India Standard Time)
Observes DST
No

When can BRT and IST 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
BRT
IST
Both zones in working hours (9am-5pm)
One zone working
Off-hours
Columns are hours of the day in São Paulo (BRT). Each row shows the local working-hours state in that zone for the same moment in time.
No overlap during strict 9-5 working hours; some flexibility needed.
If both sides are willing to extend to 8am-7pm, the available window is 08:00–10:00 BRT (16:30–18:30 IST).

Hour-by-hour BRT to IST conversion table

BRT time (São Paulo)IST time (Mumbai)Status
00:00 Tue08:30 TueOff-hours both sides
01:00 Tue09:30 TueIST working
02:00 Tue10:30 TueIST working
03:00 Tue11:30 TueIST working
04:00 Tue12:30 TueIST working
05:00 Tue13:30 TueIST working
06:00 Tue14:30 TueIST working
07:00 Tue15:30 TueIST working
08:00 Tue16:30 TueIST working
09:00 Tue17:30 TueBRT working
10:00 Tue18:30 TueBRT working
11:00 Tue19:30 TueBRT working
12:00 Tue20:30 TueBRT working
13:00 Tue21:30 TueBRT working
14:00 Tue22:30 TueBRT working
15:00 Tue23:30 TueBRT working
16:00 Tue00:30 WedBRT working
17:00 Tue01:30 WedOff-hours both sides
18:00 Tue02:30 WedOff-hours both sides
19:00 Tue03:30 WedOff-hours both sides
20:00 Tue04:30 WedOff-hours both sides
21:00 Tue05:30 WedOff-hours both sides
22:00 Tue06:30 WedOff-hours both sides
23:00 Tue07:30 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

Brasília Time (BRT)
IANA identifier
America/Sao_Paulo
Current UTC offset
UTC-03:00
Current abbreviation
GMT-3
Major cities in this zone
São PauloRio de JaneiroBrasília
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 São Paulo and Mumbai

São Paulo
Sunrise
06:33
Sunset
17:35
Solar noon
12:04
Daylight
11h 2m
Mumbai
Sunrise
06:06
Sunset
19:05
Solar noon
12:36
Daylight
12h 59m

Related converters

IST to BRT (reverse)BRT to ESTBRT to PSTBRT to GMTBRT to UTCBRT to CETEST to ISTPST to ISTGMT to ISTUTC to ISTCET to IST
Looking for local time? See time in São Paulo or time in Mumbai.

Frequently asked questions

What is the time difference between BRT and IST right now?+
IST (India Standard Time) is currently 8h 30m ahead BRT (Brasília Time). The exact difference can change when one or both zones transition into or out of daylight saving time.
Does BRT or IST observe daylight saving time?+
BRT: does not observe daylight saving time. IST: does not observe daylight saving time.
When is the best time to schedule a meeting between BRT and IST?+
Standard 9-5 hours do not overlap. Extending to 8am-7pm gives a window of 08:00–10:00 BRT (16:30–18:30 IST).
What time is it in Mumbai when it is 12:00 noon in São Paulo?+
When it is 12:00 Tue in São Paulo (BRT), it is 20:30 Tue in Mumbai (IST).
Which IANA time zone identifiers are used for BRT and IST?+
BRT maps to "America/Sao_Paulo" 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 São Paulo ahead of or behind Mumbai?+
Whether São Paulo (BRT) is ahead of or behind Mumbai (IST) depends on the current UTC offsets. Right now IST is 8h 30m ahead BRT. The live converter and side-by-side clocks above always reflect the current direction.
What are the current UTC offsets for BRT and IST?+
BRT is UTC-03:00 (GMT-3) 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 BRT and IST?+
Not during a strict 9am-5pm window. If both sides flex to 8am-7pm, the available meeting window between BRT and IST is 08:00–10:00 BRT.