From
Australian Central Time
Adelaide
Time Zone Converter
ACST to IST Time Zone Converter
Convert ACST to IST with a live clock, current time difference, UTC offsets, and work-hour overlap. IST is 4 hours behind ACST.
To
India Time
New Delhi
When it is 7:30 AM in Australian Central Time, it is 3:30 AM in India Time.
ACST to IST at a glance
India Time is 4 hours behind Australian Central Time. If someone gives you a time in Australian Central Time, move the clock by 4 hours to read it in India Time. A 9:00 AM start in Adelaide becomes 5:00 AM in New Delhi.
What Australian Central Time covers
Australian Central Time is used in Adelaide and surrounding regions, with a half-hour offset from many nearby markets. It matters when your schedule includes South Australia or mixed national coverage across Australia.
What India Time covers
India Time is used across all of India. It stays fixed year-round and is one of the most common South Asian reference clocks. It is widely used for offshore work, product teams, support operations, and engineering handoffs.
Quick answers
What is the time difference between ACST and IST?
India Time is 4 hours behind Australian Central Time.
What happens to a 3:00 PM meeting in ACST?
It lands at 11:00 AM in IST.
Does daylight saving time matter for ACST to IST?
Australian Central Time and India Time are shown using the offsets that are active right now, so the result already reflects any daylight saving change in effect today.