Abu Hurairah (RA) reported Allah's Messenger (ﷺ) having said: Hasten to do good deeds before six things happen: the rising of the sun from the west, the smoke, the Dajjal, the beast and (the death) of one of you or the general turmoil.
Hadith ReferenceSahih Muslim / The Book of Tribulations and Portents of the Last Hour / Hadith: 2947