@hebcal/hdate
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    Function daysInGregMonth

    • Number of days in the Gregorian month for given year

      Parameters

      • month: number

        Gregorian month (1=January, 12=December)

      • year: number

        Gregorian year

      Returns number

      daysInGregMonth(2, 2024); // 29 (February in a leap year)
      daysInGregMonth(2, 2023); // 28
      daysInGregMonth(7, 2024); // 31 (July)