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mm-cal-js

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export declare enum CalendarType { English = 0, Gregorian = 1, Julian = 2 } /** * Western date ot Julian day number. Credit4 Gregorian 2 JD: (w2j) * @see https://cool-emerald.blogspot.com/2013/06/algorithm-program-and-calculation-of.html#jdn * @param date western date object * @param startOfGregorian start of Gregorian calendar in Julian day number (default 2361222) * @param calendarType calendar type (default English) * @returns Julian day number */ export declare const westernToJulianDayNumber: (date: Date, startOfGregorian?: number, calendarType?: CalendarType) => number;