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Nakorn Rientrakrunchai
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wwwroot/lib/jquery.calendars/js/jquery.calendars.hebrew.js
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261
wwwroot/lib/jquery.calendars/js/jquery.calendars.hebrew.js
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/* http://keith-wood.name/calendars.html
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Hebrew calendar for jQuery v2.1.0.
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Written by Keith Wood (wood.keith{at}optusnet.com.au) August 2009.
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Available under the MIT (http://keith-wood.name/licence.html) license.
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Please attribute the author if you use it. */
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(function($) { // Hide scope, no $ conflict
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'use strict';
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/** Implementation of the Hebrew civil calendar.
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Based on code from <a href="http://www.fourmilab.ch/documents/calendar/">http://www.fourmilab.ch/documents/calendar/</a>.
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See also <a href="http://en.wikipedia.org/wiki/Hebrew_calendar">http://en.wikipedia.org/wiki/Hebrew_calendar</a>.
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@class HebrewCalendar
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@param {string} [language=''] The language code (default English) for localisation. */
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function HebrewCalendar(language) {
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this.local = this.regionalOptions[language || ''] || this.regionalOptions[''];
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}
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HebrewCalendar.prototype = new $.calendars.baseCalendar();
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$.extend(HebrewCalendar.prototype, {
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/** The calendar name.
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@memberof HebrewCalendar */
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name: 'Hebrew',
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/** Julian date of start of Hebrew epoch: 7 October 3761 BCE.
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@memberof HebrewCalendar */
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jdEpoch: 347995.5,
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/** Days per month in a common year.
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@memberof HebrewCalendar */
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daysPerMonth: [30, 29, 30, 29, 30, 29, 30, 29, 30, 29, 30, 29, 29],
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/** <code>true</code> if has a year zero, <code>false</code> if not.
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@memberof HebrewCalendar */
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hasYearZero: false,
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/** The minimum month number.
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@memberof HebrewCalendar */
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minMonth: 1,
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/** The first month in the year.
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@memberof HebrewCalendar */
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firstMonth: 7,
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/** The minimum day number.
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@memberof HebrewCalendar */
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minDay: 1,
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/** Localisations for the plugin.
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Entries are objects indexed by the language code ('' being the default US/English).
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Each object has the following attributes.
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@memberof HebrewCalendar
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@property {string} name The calendar name.
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@property {string[]} epochs The epoch names (before/after year 0).
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@property {string[]} monthNames The long names of the months of the year.
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@property {string[]} monthNamesShort The short names of the months of the year.
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@property {string[]} dayNames The long names of the days of the week.
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@property {string[]} dayNamesShort The short names of the days of the week.
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@property {string[]} dayNamesMin The minimal names of the days of the week.
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@property {string} dateFormat] The date format for this calendar.
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See the options on <a href="BaseCalendar.html#formatDate"><code>formatDate</code></a> for details.
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@property {number} firstDay The number of the first day of the week, starting at 0.
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@property {boolean} isRTL <code>true</code> if this localisation reads right-to-left. */
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regionalOptions: { // Localisations
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'': {
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name: 'Hebrew',
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epochs: ['BAM', 'AM'],
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monthNames: ['Nisan', 'Iyar', 'Sivan', 'Tammuz', 'Av', 'Elul',
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'Tishrei', 'Cheshvan', 'Kislev', 'Tevet', 'Shevat', 'Adar', 'Adar II'],
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monthNamesShort: ['Nis', 'Iya', 'Siv', 'Tam', 'Av', 'Elu', 'Tis', 'Che', 'Kis', 'Tev', 'She', 'Ada', 'Ad2'],
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dayNames: ['Yom Rishon', 'Yom Sheni', 'Yom Shlishi', 'Yom Revi\'i', 'Yom Chamishi', 'Yom Shishi', 'Yom Shabbat'],
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dayNamesShort: ['Ris', 'She', 'Shl', 'Rev', 'Cha', 'Shi', 'Sha'],
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dayNamesMin: ['Ri','She','Shl','Re','Ch','Shi','Sha'],
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digits: null,
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dateFormat: 'dd/mm/yyyy',
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firstDay: 0,
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isRTL: false
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}
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},
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/** Determine whether this date is in a leap year.
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@memberof HebrewCalendar
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@param {CDate|number} year The date to examine or the year to examine.
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@return {boolean} <code>true</code> if this is a leap year, <code>false</code> if not.
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@throws Error if an invalid year or a different calendar used. */
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leapYear: function(year) {
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var date = this._validate(year, this.minMonth, this.minDay, $.calendars.local.invalidYear);
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return this._leapYear(date.year());
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},
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/** Determine whether this date is in a leap year.
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@memberof HebrewCalendar
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@private
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@param {number} year The year to examine.
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@return {boolean} <code>true</code> if this is a leap year, <code>false</code> if not.
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@throws Error if an invalid year or a different calendar used. */
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_leapYear: function(year) {
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year = (year < 0 ? year + 1 : year);
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return mod(year * 7 + 1, 19) < 7;
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},
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/** Retrieve the number of months in a year.
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@memberof HebrewCalendar
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@param {CDate|number} year The date to examine or the year to examine.
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@return {number} The number of months.
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@throws Error if an invalid year or a different calendar used. */
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monthsInYear: function(year) {
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this._validate(year, this.minMonth, this.minDay, $.calendars.local.invalidYear);
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return this._leapYear(year.year ? year.year() : year) ? 13 : 12;
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},
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/** Determine the week of the year for a date.
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@memberof HebrewCalendar
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@param {CDate|number} year The date to examine or the year to examine.
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@param {number} [month] The month to examine (if only <code>year</code> specified above).
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@param {number} [day] The day to examine (if only <code>year</code> specified above).
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@return {number} The week of the year.
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@throws Error if an invalid date or a different calendar used. */
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weekOfYear: function(year, month, day) {
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// Find Sunday of this week starting on Sunday
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var checkDate = this.newDate(year, month, day);
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checkDate.add(-checkDate.dayOfWeek(), 'd');
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return Math.floor((checkDate.dayOfYear() - 1) / 7) + 1;
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},
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/** Retrieve the number of days in a year.
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@memberof HebrewCalendar
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@param {CDate|number} year The date to examine or the year to examine.
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@return {number} The number of days.
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@throws Error if an invalid year or a different calendar used. */
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daysInYear: function(year) {
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var date = this._validate(year, this.minMonth, this.minDay, $.calendars.local.invalidYear);
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year = date.year();
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return this.toJD((year === -1 ? +1 : year + 1), 7, 1) - this.toJD(year, 7, 1);
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},
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/** Retrieve the number of days in a month.
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@memberof HebrewCalendar
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@param {CDate|number} year The date to examine or the year of the month.
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@param {number} [month] The month (if only <code>year</code> specified above).
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@return {number} The number of days in this month.
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@throws Error if an invalid month/year or a different calendar used. */
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daysInMonth: function(year, month) {
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if (year.year) {
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month = year.month();
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year = year.year();
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}
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this._validate(year, month, this.minDay, $.calendars.local.invalidMonth);
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return (month === 12 && this.leapYear(year) ? 30 : // Adar I
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(month === 8 && mod(this.daysInYear(year), 10) === 5 ? 30 : // Cheshvan in shlemah year
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(month === 9 && mod(this.daysInYear(year), 10) === 3 ? 29 : // Kislev in chaserah year
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this.daysPerMonth[month - 1])));
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},
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/** Determine whether this date is a week day.
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@memberof HebrewCalendar
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@param {CDate|number} year The date to examine or the year to examine.
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@param {number} [month] The month to examine (if only <code>year</code> specified above).
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@param {number} [day] The day to examine (if only <code>year</code> specified above).
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@return {boolean} <code>true</code> if a week day, <code>false</code> if not.
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@throws Error if an invalid date or a different calendar used. */
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weekDay: function(year, month, day) {
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return this.dayOfWeek(year, month, day) !== 6;
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},
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/** Retrieve additional information about a date - year type.
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@memberof HebrewCalendar
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@param {CDate|number} year The date to examine or the year to examine.
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@param {number} [month] The month to examine (if only <code>year</code> specified above).
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@param {number} [day] The day to examine (if only <code>year</code> specified above).
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@return {object} Additional information - contents depends on calendar.
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@throws Error if an invalid date or a different calendar used. */
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extraInfo: function(year, month, day) {
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var date = this._validate(year, month, day, $.calendars.local.invalidDate);
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return {yearType: (this.leapYear(date) ? 'embolismic' : 'common') + ' ' +
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['deficient', 'regular', 'complete'][this.daysInYear(date) % 10 - 3]};
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},
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/** Retrieve the Julian date equivalent for this date,
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i.e. days since January 1, 4713 BCE Greenwich noon.
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@memberof HebrewCalendar
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@param {CDate|number} year The date to convert or the year to convert.
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@param {number} [month] The month to convert (if only <code>year</code> specified above).
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@param {number} [day] The day to convert (if only <code>year</code> specified above).
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@return {number} The equivalent Julian date.
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@throws Error if an invalid date or a different calendar used. */
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toJD: function(year, month, day) {
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var date = this._validate(year, month, day, $.calendars.local.invalidDate);
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year = date.year();
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month = date.month();
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day = date.day();
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var adjYear = (year <= 0 ? year + 1 : year);
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var jd = this.jdEpoch + this._delay1(adjYear) + this._delay2(adjYear) + day + 1;
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var m;
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if (month < 7) {
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for (m = 7; m <= this.monthsInYear(year); m++) {
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jd += this.daysInMonth(year, m);
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}
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for (m = 1; m < month; m++) {
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jd += this.daysInMonth(year, m);
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}
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}
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else {
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for (m = 7; m < month; m++) {
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jd += this.daysInMonth(year, m);
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}
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}
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return jd;
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},
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/** Test for delay of start of new year and to avoid
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Sunday, Wednesday, or Friday as start of the new year.
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@memberof HebrewCalendar
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@private
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@param {number} year The year to examine.
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@return {number} The days to offset by. */
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_delay1: function(year) {
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var months = Math.floor((235 * year - 234) / 19);
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var parts = 12084 + 13753 * months;
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var day = months * 29 + Math.floor(parts / 25920);
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if (mod(3 * (day + 1), 7) < 3) {
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day++;
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}
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return day;
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},
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/** Check for delay in start of new year due to length of adjacent years.
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@memberof HebrewCalendar
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@private
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@param {number} year The year to examine.
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@return {number} The days to offset by. */
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_delay2: function(year) {
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var last = this._delay1(year - 1);
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var present = this._delay1(year);
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var next = this._delay1(year + 1);
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return ((next - present) === 356 ? 2 : ((present - last) === 382 ? 1 : 0));
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},
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/** Create a new date from a Julian date.
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@memberof HebrewCalendar
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@param {number} jd The Julian date to convert.
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@return {CDate} The equivalent date. */
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fromJD: function(jd) {
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jd = Math.floor(jd) + 0.5;
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var year = Math.floor(((jd - this.jdEpoch) * 98496.0) / 35975351.0) - 1;
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while (jd >= this.toJD((year === -1 ? +1 : year + 1), 7, 1)) {
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year++;
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}
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var month = (jd < this.toJD(year, 1, 1)) ? 7 : 1;
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while (jd > this.toJD(year, month, this.daysInMonth(year, month))) {
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month++;
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}
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var day = jd - this.toJD(year, month, 1) + 1;
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return this.newDate(year, month, day);
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}
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});
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// Modulus function which works for non-integers.
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function mod(a, b) {
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return a - (b * Math.floor(a / b));
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}
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// Hebrew calendar implementation
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$.calendars.calendars.hebrew = HebrewCalendar;
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})(jQuery);
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