IST to AEST Time Converter

IST refers to the Asia/Kolkata timezone, currently ++5:30 (GMT+5:30). AEST refers to Australia/Sydney, currently ++10 (GMT+10). Timezone abbreviation meanings and offsets are calculated live from the IANA tz database, so Daylight Saving Time is always applied correctly.

Representative cities: Delhi (India) for IST and Sydney (Australia) for AEST.

Key Facts

• IST (Asia/Kolkata): current live offset ++5:30.
• AEST (Australia/Sydney): current live offset ++10.
• Time difference is computed from live IANA tzdb offsets and may shift by one hour during DST transitions.