Isha prayer in Sydney is at 18:24 today (Australia).
Today in Sydney: Fajr 05:22, Dhuhr 11:53, Asr 14:36, Maghrib 16:54, Isha 18:24.
Isha is the night prayer performed after twilight disappears. It consists of 4 rak'ahs and is the last of the five daily prayers.
The Isha time in Sydney is calculated using the Umm Al-Qura, Makkah method, based on the geographic coordinates (lat: -33.8688, lng: 151.2093) and the sun's position.