JST to AEST Time Converter

JST refers to the Asia/Tokyo timezone, currently ++9 (GMT+9). 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: Tokyo (Japan) for JST and Sydney (Australia) for AEST.

Key Facts

• JST (Asia/Tokyo): current live offset ++9.
• 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.