On which dates should we fast in Dhul Hijjah? DWQA Questions › Category: qurbani › On which dates should we fast in Dhul Hijjah? 0 Vote Up Vote Down JonSnow Staff asked 4 years ago On which dates should we fast in Dhul Hijjah? 1 Answers 0 Vote Up Vote Down JonSnow Staff answered 4 years ago We may fast whole 9 days. 1st to 9th Zil Hijjah are dates that are recommended to fast. The 10 nights are also very great nights. Read on the subject on the web. Else most important to fast on 9th Zil Hijjah.