ACST to IST Converter

India Time (IST) is 5 hours behind Australian Central Time (ACST / ACDT).

Quick Reference

Australian Central Time
ACDT (GMT+10:30)

ACST starts on Apr 4, 2026

India Time
IST (GMT+5:30)

No Daylight Saving Time

Frequently Asked Questions

What is the difference between ACST and IST?
IST is 5 hours behind ACST.
How do I convert ACST to IST?
To convert from ACST to IST, subtract 5 hours. Use the interactive converter on this page to convert specific times.
What cities are in ACST and IST?
Cities in ACST include Adelaide. Cities in IST include Mumbai, Delhi, Bengaluru, Hyderabad, Ahmedabad.
ACST to IST Converter | Timezone App