I'm saying kaddish for my mother-in-law. Occassionally, I walk into shul and the congregation is already in the middle of the Rabbi's Kaddish (say at Y'he sh'may raba"). Can I join in that kaddish at ...
This morning, a few minutes after the minyan ended and had begun to disband, a man arrived saying he needed to say kaddish for his father. What we did (with no rav present) isn't particularly ...