ACST to BRT Converter

Brasilia Time (BRT) is 13.5 hours behind Australian Central Time (ACST / ACDT).

Quick Reference

Australian Central Time
ACDT (GMT+10:30)

ACST starts on Apr 4, 2026

Brasilia Time
BRT (GMT-3)

No Daylight Saving Time

Frequently Asked Questions

What is the difference between ACST and BRT?
BRT is 13.5 hours behind ACST.
How do I convert ACST to BRT?
To convert from ACST to BRT, subtract 13.5 hours. Use the interactive converter on this page to convert specific times.
What cities are in ACST and BRT?
Cities in ACST include Adelaide. Cities in BRT include Sao Paulo, Rio de Janeiro, Belo Horizonte, Brasilia, Curitiba.
ACST to BRT Converter | Timezone App