mincha
This method returns Rav Moshe Feinstein's opinion of the calculation of mincha gedola, the earliest time one can pray mincha GRA that is 30 minutes after fixed.
Return
the Date of the time of mincha gedola. 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
.getMinchaKetanaGRAFixedLocalChatzosToSunset