Abu Ja`far Muhammad b. `Ali b. al-Husayn b. Musa b. Babuwayh al-Qummi رضي الله عنه narrated to us. He said: My father رضي الله عنه narrated to us. He said: Sa`d b. `Abdullah narrated to us from Ahmad b. Muhammad b. `Isa from al-Husayn b. Sa`id from Muhammad b. Abi `Umayr from `Umar b. Udhayna from Zurara from Abi Ja`far al-Baqir عليه السلام. He said: The Messenger of Allah صلى الله عليه وعلى آله وسلم said: When the Sun sets, the gates of heaven and Paradise open and the supplications are accepted. So, blessed is he whose good deeds are lifted at that.