I’m making an Upsherin the day after 9 Av. Am I allowed to set up tables and prepare for it on 9 Av?

  After Chatzos.   שו”ע או”ח תקנד, כב.     … Continue reading I’m making an Upsherin the day after 9 Av. Am I allowed to set up tables and prepare for it on 9 Av?