Hebrew date, Gregorian Date, or absolute (R.D.) day
number.
Either vilna or schottenstein (or any other config matching the YerushalmiYomiConfig shape).
A YerushalmiReading {name, blatt, ed}, or
null on Yom Kippur and Tish'a B'Av when using the Vilna config
(skipYK9Av === true).
Calculates the Daf Yomi Yerushalmi (Jerusalem Talmud) reading for the given date.
Using the Vilna edition the cycle takes ~4.25 years (51 months) and skips both Yom Kippur and Tish'a B'Av. The Schottenstein edition uses different page numbers, takes ~6 years to complete, and does not skip those fast days.