Abu Musa Ashari reported,
The Prophet ﷺ said, "Allah 
stretches out His hand by night so that the one who did wrong by day may repent, and He stretches out His hand by day so that the one who did wrong by night may repent, until the sun rises from its place of setting."
Muslim 6990
Sahihو حدثنا محمد بن بشار حدثنا أبو داود حدثنا شعبة بهذا الإسناد نحوه
مسلم 6990صحيح
Contents
Reference
Commentary
Ayat
Collection
Sahih Muslim
Book
Tawba
Chapter
Acceptance of repentance from sins even if the sins and repentance are repeated
Numbering
Darussalam 6990