WorldClock.lol

IST to BRT Time Converter

Convert India Standard Time to Brasilia Time

IST
India Standard Time
03:26 PM
UTC+5:30
BRT
Brasilia Time
06:56 AM
UTC-3

Convert a Specific Time

:
12:00 PM
=
4:00 AM

IST to BRT Conversion Table

ISTBRT
12:00 AM4:00 PM
3:00 AM7:00 PM (-1)
6:00 AM10:00 PM (-1)
9:00 AM1:00 AM
12:00 PM4:00 AM
3:00 PM7:00 AM
6:00 PM10:00 AM
9:00 PM1:00 PM (+1)

Frequently Asked Questions

What is the time difference between IST and BRT?

India Standard Time (IST) is UTC+5:30 and Brasilia Time (BRT) is UTC-3. The exact difference can vary due to Daylight Saving Time changes.

When is 9 AM IST in BRT?

Use our converter above to find the exact time. Enter 9:00 in the IST field to see the corresponding BRT time, accounting for current DST rules.

Does IST observe Daylight Saving Time?

India Standard Time (IST) is based on the Asia/Kolkata timezone. DST observance depends on local regulations. Our converter automatically accounts for current DST rules.

Convert BRT to IST instead

IST to BRT Time Converter

When it is 9:00 AM IST, it is 0.5:00 AM BRT. Brasilia Time (BRT, UTC-3) is 8.5 hours behind India Standard Time (IST, UTC+5:30). There is no full 9–5 overlap between IST and BRT — teams typically rotate early or late meetings.

IST to BRT Conversion Table

ISTBRT
12:00 AM3.5:00 PM (-1 day)
3:00 AM6.5:00 PM (-1 day)
6:00 AM9.5:00 PM (-1 day)
9:00 AM0.5:00 AM
12:00 PM3.5:00 AM
3:00 PM6.5:00 AM
6:00 PM9.5:00 AM
9:00 PM0.5:00 PM

Major Cities Using IST and BRT

India Standard Time (IST): Mumbai, Delhi, Bangalore, Chennai, Kolkata, Colombo.

Brasilia Time (BRT): São Paulo, Rio de Janeiro, Brasília.

How many hours between IST and BRT?

IST is UTC+5:30 and BRT is UTC-3, a difference of 8.5 hours. BRT is behind IST. This difference can shift by an hour in either direction during Daylight Saving Time transitions — if one zone observes DST and the other doesn't, the offset narrows or widens for part of the year.

Business Hours Overlap: ISTBRT

Assuming a 9:00 AM – 5:00 PM workday on each side, there is no full 9–5 overlap between ist and brt — teams typically rotate early or late meetings. To visualize this instantly for any pair of cities, use the visual meeting planner or the timezone overlap finder — both highlight the green overlap window on a live timeline.

Does IST observe Daylight Saving Time?

India Standard Time (IST) is based on the Asia/Kolkata IANA timezone. DST observance depends on the jurisdiction — for example, most of the continental US switches between standard and daylight time, while India, Japan, and most of Southeast Asia do not observe DST at all. WorldClock.lol uses the authoritative IANA timezone database, so every conversion automatically accounts for the correct DST rules on the date you're converting.

When is 9 AM IST in BRT?

When it is 9:00 AM in India Standard Time (IST, UTC+5:30), it is 0.5:00 AM in Brasilia Time (BRT). For other times of day, scan the conversion table above or drop into the interactive converter to pick an exact minute. The converter handles both standard and daylight variants correctly.

How to Use This IST to BRT Converter

  1. Type or drag any time in the IST input above — the BRT equivalent updates instantly.
  2. Check the day indicator. When the converted time crosses midnight, the tool shows +1 day or −1 day so you don't book a meeting on the wrong date.
  3. Copy the shareable URL to send the specific conversion to a colleague — the link preserves your exact selection.
  4. Switch directions by swapping the input zones, or open BRT to IST for the reverse.

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