▁Day ▁( 1   J anu ary ), ▁in ▁Bach ' s ▁time ▁still ▁often ▁referred ▁to ▁as ▁the ▁Fe ast ▁of ▁the ▁Circ um c ision ▁of ▁Christ . ▁Also ▁ 2 6 ▁and ▁ 2 7 ▁December ▁( second ▁and ▁third ▁day ▁of ▁Christmas ) ▁were ▁commonly ▁considered ▁fe ast ▁days , ▁with ▁fest ive ▁music ▁in ▁church . ▁If ▁a ▁Sunday ▁fell ▁between ▁ 2 7 ▁December ▁and ▁ 1   J anu ary , ▁also ▁on ▁this ▁first ▁Sunday ▁after ▁Christmas ▁a ▁church ▁service ▁with ▁music ▁was ▁held , ▁and ▁similar ▁for ▁a ▁Sunday ▁between ▁ 1 ▁and ▁ 6   J anu ary ▁( second ▁Sunday ▁after ▁Christmas , ▁or : ▁first ▁Sunday ▁after ▁New ▁Year ). ▁▁ 1 7 1 4 – 1 7 2 9 ▁Before ▁Bach ▁composed ▁his ▁Christmas ▁Or atorio ▁for ▁the ▁ 1 7 3 4 – 3 5 ▁Christmas ▁season ▁in ▁Leipzig , ▁he ▁had ▁already ▁composed ▁Christmas ▁cant at as ▁and ▁other ▁church ▁music ▁for ▁all ▁seven ▁occasions ▁of ▁the ▁Christmas ▁season : ▁ ▁Before ▁his ▁Leipzig ▁period ▁he ▁composed , ▁as ▁part ▁of ▁his ▁We imar ▁cant ata ▁cycle : ▁ ▁Christmas , ▁: ▁Christ en , ▁ ät zet ▁diesen ▁Tag , ▁B W V   6 3 . ▁ ▁First ▁Sunday ▁after ▁Christmas , ▁: ▁T ritt ▁auf ▁die ▁Gla ub ens bahn , ▁B W V   1 5 2 . ▁ ▁For ▁the ▁ 1 7 2 3 – 2 4 ▁Christmas ▁season , ▁during ▁his