When Rabbi Yoel Kahn discovered that his Shabbos guest had crossed the International Date Line during the Omer Count, he realized that for him, Shabbos was already the fiftieth day of the Omer, and the festival of Shavuos. Uncertain of what his guest should do, he advised him to approach the Rebbe directly as he left the synagogue following the Morning Services.
Crossing the Date Line
When Rabbi Yoel Kahn realized that his guest had crossed the International Date Line during the Omer and Shavuos was a day earlier for him, he asked the Rebbe what to do. Video