Perpetual Jewish Calendar. Perpetual jewish/civil calendar this program accepts a single year of the jewish calendar and produces on the screen a calendar of that year with a visually equivalent civil calendar. Perpetual jewish/civil calendar this program accepts a single year of the jewish calendar and produces on the screen a calendar of that year with a visually equivalent civil calendar.
Shabbat and holiday candle lighting and havdalah. Hebcal is a perpetual jewish calendar.