Picture this: In rabbinic times, after the destruction of the Temples, Jews lived throughout the Middle East and North Africa. In order to synchronize the calendars, long before Iphones or satellites, a rabbinic court in Jerusalem waited for two witnesses to come and testify that they had seen the New Moon crescent.
Upon hearing from each witness, the judges scrupulously compared their testimonies to make sure they were identical. Once the New Moon was confirmed, the news had to spread immediately to people living far and wide. How, you ask?
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