Standing in prayer in Ramadan

Night prayer (Taraweeh) in Ramadan with faith forgives past sins.

Narrated by Abu Hurairah

Whoever stands (in prayer) in Ramadan out of faith and hoping for reward, his past sins will be forgiven.

Sahih al-Bukhari 37, Sahih Muslim 759

What this hadith teaches

This is the basis of the Taraweeh prayer prayed every night in the masjids in Ramadan.

Reference and grade

Grade
Sahih: agreed upon by al-Bukhari and Muslim
Narrator
Abu Hurairah

The hadith in Arabic نص الحديث

مَنْ قَامَ رَمَضَانَ إِيمَانًا وَاحْتِسَابًا غُفِرَ لَهُ مَا تَقَدَّمَ مِنْ ذَنْبِهِ

Arabic text of Sahih al-Bukhari 37, as given on sunnah.com.