It wasnarrated from 'Abdullah bin 'Amr that the Prophet (ﷺ) said:
"Allah accepts the repentance of His slave so long as the deathrattlehas not yet reached his throat." (ID)
English reference (ID): Vol. 5, Book 37, Hadith 4253 (ID)
Arabic reference (ID): Book 37, Hadith 4394 (ID)