u ' ll á h ' s ▁announ cement ▁to ▁be ▁the ▁Man ifest ation ▁of ▁God , ▁is ▁the ▁most ▁holy ▁Bah á ʼ í ▁festival ▁to ▁which ▁Bah á ʼ u ' ll á h ▁referred ▁as ▁the ▁" M ost ▁Great ▁Festival ." ▁The ▁first , ▁nin th ▁and ▁tw elf th ▁days ▁of ▁the ▁festival ▁are ▁celebrated ▁as ▁holy ▁days . ▁ ▁Ann ually ▁on ▁J al ál ▁ 1 3 , ▁Jam ál ▁ 2 ▁and ▁Jam ál ▁ 5 . ▁ ▁See ▁Festival ▁of ▁R id ván . ▁ ▁As c ension ▁of ▁Bah á ʼ u ' ll á h ▁Ann ually ▁on ▁ ʻ A ẓ am at ▁ 1 3 . ▁ ▁Holy ▁days ▁associated ▁with ▁ ʻ Ab du ' l - B ah á ▁On ▁these ▁two ▁holy ▁days , ▁the ▁susp ension ▁of ▁work ▁is ▁not ▁required . ▁ ▁Day ▁of ▁the ▁C oven ant ▁Ann ually ▁on ▁Q aw l ▁ 4 . ▁See ▁Day ▁of ▁the ▁C oven ant ▁ ▁As c ension ▁of ▁ ʻ Ab du ' l - B ah á ▁Ann ually ▁on ▁Q aw l ▁ 6 . ▁See ▁As c ension ▁of ▁ ʻ Ab du ' l - B ah á ▁ ▁T win ▁Holy ▁B irth days ▁The ▁T win ▁Holy ▁B irth days ▁of ▁the ▁B áb ▁and ▁Bah á ʼ u ' ll á h ▁are ▁celebrated ▁on ▁the ▁first ▁and ▁second ▁day ▁following ▁the ▁e ighth ▁new ▁moon