Especially during the summer, we need to be careful about the time for reciting the morning Shma. Since it’s so easy to miss the time, the Alter Rebbe paskens that one should say the Shma ¾ of an hour before the actual time limit! * Is this stringency only for the Shma or for any time-bound mitzva or custom? To what extent can we rely on the accuracy of our clocks? What did the Rebbe add in a yechidus with a bachur and why, because of this paragraph in the Shulchan Aruch, were decrees against the Jews in Russia postponed? * On this and more in the following article.