By the day as it Jallaha.Mujahid said, "When it illuminates."Thus, Mujahid said, وَالنَّهَارِ إِذَا جَلَّـهَا By the day as it Jallaha."This is similar to Allah's statement, وَالنَّهَارِ إِذَا تَجَلَّى By the day as it Tajalla. (92:2)"And they have said concerning Allah's statement,وَالَّيْلِ إِذَا يَغْشَـهَا