mincha
This method returns mincha ketana,the preferred earliest time to pray mincha in the opinion of the Rambam and others, that is 9.5
shaos zmaniyos (solar hours) after sunrise or sea level sunrise (depending on the isUseElevation setting), according to the GRA. For more information on this see the documentation on .getMinchaGedola. The day is calculated from sea level sunrise to sea level or sunrise to sunset (depending on the isUseElevation setting.
Return
the Date of the time of mincha ketana. 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.