Kitāb al-Zuhd

Hadith 188
repentance
محمد بن أبي عمير عن محمد بن حمران عن زرارة قال: سمعت أبا عبد الله عليه السلام يقول: ما من عبد أذنب ذنبا الا أجل من غده إلى الليل فان استغفر الله لم يكتب عليه.
3.Muḥammad ibn Abī ʿUmayr narrated from Muḥammad ibn Ḥumrān, from Zurārah who said, “I heard Abā ʿAbdillāh (a) say, ‘There is no servant who commits a sin but that he is given respite from that morning until nightfall, so if he repents to Allah [within that time], it is not written against him.’”
Source: Ḥusayn b. Saʿīd al-Ahwāzī