Using his offical Twitter feed, Haider al-Abadi said zero hour for the liberation of Falluja has arrived.

通过官方推特账号，总理阿巴迪称解放费卢杰的关键时刻来临。

The zero hour was at two o'clock PM.

进攻发起的时刻为下午2点。

I started the youth climate justice movement called Zero Hour back in 2017, because this is zero hour to act on climate change.

早在 2017 年， 我就发起了名为“零时” 的青年气候正义运动，因为现在是应对气候变化的零时。