@hebcal/core
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    Type Alias CalOptions

    Options to configure which events are returned

    type CalOptions = {
        addHebrewDates?: boolean;
        addHebrewDatesForEvents?: boolean;
        ashkenazi?: boolean;
        candlelighting?: boolean;
        candleLightingMins?: number;
        dailyLearning?: Record<string, DailyLearningValue>;
        end?: number | HDate | Date;
        fastEndDeg?: number;
        havdalahDeg?: number;
        havdalahMins?: number;
        hour12?: boolean;
        il?: boolean;
        isHebrewYear?: boolean;
        locale?: string;
        location?: Location;
        mask?: number;
        molad?: boolean;
        month?: number | string;
        noHolidays?: boolean;
        noMinorFast?: boolean;
        noModern?: boolean;
        noRoshChodesh?: boolean;
        noSpecialShabbat?: boolean;
        numYears?: number;
        omer?: boolean;
        sedrot?: boolean;
        shabbatMevarchim?: boolean;
        start?: number | HDate | Date;
        useElevation?: boolean;
        year?: number;
        yizkor?: boolean;
        yomKippurKatan?: boolean;
    }
    Index

    Properties

    addHebrewDates? addHebrewDatesForEvents? ashkenazi? candlelighting? candleLightingMins? dailyLearning? end? fastEndDeg? havdalahDeg? havdalahMins? hour12? il? isHebrewYear? locale? location? mask? molad? month? noHolidays? noMinorFast? noModern? noRoshChodesh? noSpecialShabbat? numYears? omer? sedrot? shabbatMevarchim? start? useElevation? year? yizkor? yomKippurKatan?

    Properties

    addHebrewDates?: boolean

    print the Hebrew date for the entire date range

    addHebrewDatesForEvents?: boolean

    print the Hebrew date for dates with some events

    ashkenazi?: boolean

    use Ashkenazi transliterations for event titles (default Sephardi transliterations)

    use event.render('ashkenazi') instead

    candlelighting?: boolean

    calculate candle-lighting and havdalah times

    candleLightingMins?: number

    minutes before sundown to light candles (default 18)

    dailyLearning?: Record<string, DailyLearningValue>

    map of options to enable daily study calendars such as dafYomi, mishnaYomi, nachYomi with value true. For yerushalmi the value should be a number for edition (1 for Vilna, 2 for Schottenstein).

    end?: number | HDate | Date

    use specific end date (requires start date)

    fastEndDeg?: number

    degrees for solar depression for end of fast days. Default is 7.083 degrees for 3 medium-sized stars. Other commonly-used values include 6.45 degrees, as calculated by Rabbi Yechiel Michel Tucazinsky.

    havdalahDeg?: number

    degrees for solar depression for Havdalah. Default is 8.5 degrees for 3 small stars. use 7.083 degrees for 3 medium-sized stars (observed by Dr. Baruch (Berthold) Cohn in his luach published in France in 1899). If 0, Havdalah times are suppressed.

    havdalahMins?: number

    minutes after sundown for Havdalah (typical values are 42, 50, or 72). If undefined (the default), calculate Havdalah according to Tzeit Hakochavim - Nightfall (the point when 3 small stars are observable in the night time sky with the naked eye). If 0, Havdalah times are suppressed.

    hour12?: boolean

    Whether to use 12-hour time (as opposed to 24-hour time). Possible values are true and false; the default is locale dependent.

    il?: boolean

    Israeli holiday and sedra schedule

    isHebrewYear?: boolean

    to interpret year as Hebrew year

    locale?: string

    translate event titles according to a locale Default value is en, also built-in are he and ashkenazi. Additional locales (such as ru or fr) are provided by the @hebcal/locales package

    location?: Location

    latitude/longitude/tzid used for candle-lighting

    mask?: number

    use bitmask from flags to filter events

    molad?: boolean

    include event announcing the molad

    month?: number | string

    Gregorian or Hebrew month (to filter results to a single month)

    noHolidays?: boolean

    suppress regular holidays

    noMinorFast?: boolean

    suppress minor fasts

    noModern?: boolean

    suppress modern holidays

    noRoshChodesh?: boolean

    suppress Rosh Chodesh

    noSpecialShabbat?: boolean

    suppress Special Shabbat

    numYears?: number

    generate calendar for multiple years (default 1)

    omer?: boolean

    include Days of the Omer

    sedrot?: boolean

    calculate parashah hashavua on Saturdays

    shabbatMevarchim?: boolean

    add Shabbat Mevarchim

    start?: number | HDate | Date

    use specific start date (requires end date)

    useElevation?: boolean

    use elevation for calculations (default false). If true, use elevation to affect the calculation of all sunrise/sunset based zmanim. Note: there are some zmanim such as degree-based zmanim that are driven by the amount of light in the sky and are not impacted by elevation. These zmanim intentionally do not support elevation adjustment.

    year?: number

    Gregorian or Hebrew year

    yizkor?: boolean

    Yizkor (Hebrew: יִזְכּוֹר) is an Ashkenazi Jewish memorial prayer service for the dead. Yizkor is recited in synagogue as part of the service during four holidays each year:

    1. Yom Kippur
    2. Shmini Atzeret
    3. The final day of Passover (8th day Pesach in Diaspora, 7th day Pesach in Israel)
    4. Shavuot (2nd day Shavuot in Diaspora)
    yomKippurKatan?: boolean

    include Yom Kippur Katan (default false). יוֹם כִּפּוּר קָטָן is a minor day of atonement occurring monthly on the day preceeding each Rosh Chodesh. Yom Kippur Katan is omitted in Elul (on the day before Rosh Hashanah), Tishrei (Yom Kippur has just passed), Kislev (due to Chanukah) and Nisan (fasting not permitted during Nisan). When Rosh Chodesh occurs on Shabbat or Sunday, Yom Kippur Katan is observed on the preceding Thursday. See Wikipedia Yom Kippur Katan practices

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