YOCHANAN THE IMMERSER WAS BORN DURING PASSOVER

Allowing for the laws of separation (Leviticus 15:19, 24-25) after going back to the house (Luke 1:23) then going forward 9 months (Sivan [10th week] + 2 weeks + 9 months) puts the birth of Yochanan the immerser around Passover (Aviv 14).