,السلام علیکم و رحمة الله و بركاته Is it better to: Fasting the White days only Fasting Monday and Thursday only Fasting the fasts of Dawud only Fasting the White Days, Mondays and Thursdays Fasting them all ? And what is the order of precedence? !بارك الله فيك وأكرمك أستاذ

Ustadh AbdulAziz al-Haqqan
The siyam of dawud is the best