It is Friday Night. The shul is due to daven Mincha at 7.30pm, but Plag Hamincha is 7.37pm. The Shul is two short of a minyan and the decision is taken to daven Mincha privately. It is now 7.45pm (and ...
If I come to shul early for maariv and it is already past nightfall and there is a minyan that starts davening mincha am I allowed to answer amen to chazaras hashatz? Sources please.