sof
This method returns the latest time for burning chametz on Erev Pesach according to the opinion of the GRA. This time is 5 hours into the day based on the opinion of the GRA that the day is calculated from sunrise to sunset. This returns the time 5 * shaahZmanisGra after sea.
Return
the Date of the latest time for burning chametz on Erev Pesach. If the calculation can't be computed such as in the Arctic Circle where there is at least one day a year where the sun does not rise, and one where it does not set, a null will be returned. See detailed explanation on top of the AstronomicalCalendar documentation.
See also
Zmanim