If I'm driving long distance on a road-trip, (approx. 400 miles, leaving house at 3am, arriving at approximately 9am) am I required to stop the car, get out, and daven Shacharit at or before sunrise? ...
That which it says in the Gemorah (Rosh Hashana 16b) that one has a obligation of "kabbalos pnei rabo" (to go see ones rebbe) on holidays - when is the obligation? Is there an obligation every day, or ...