Method previous

src/pendulum/date.py:481–500

Modify to the previous occurrence of a given day of the week. If no day_of_week is provided, modify to the previous occurrence of the current day of the week. Use the supplied consts to indicate the desired day_of_week, ex. pendulum.MONDAY. :param day_of_we

(self, day_of_week: WeekDay | None = None)

        return dt

    def previous(self, day_of_week: WeekDay | None = None) -> Self:
        """
        Modify to the previous occurrence of a given day of the week.
        If no day_of_week is provided, modify to the previous occurrence
        of the current day of the week.  Use the supplied consts
        to indicate the desired day_of_week, ex. pendulum.MONDAY.

        :param day_of_week: The previous day of week to reset to.
        """
        if day_of_week is None:
            day_of_week = self.day_of_week

        if day_of_week < WeekDay.MONDAY or day_of_week > WeekDay.SUNDAY:
            raise ValueError("Invalid day of week")

        dt = self.subtract(days=1)
        while dt.day_of_week != day_of_week:
            dt = dt.subtract(days=1)

        return dt

    def first_of(self, unit: str, day_of_week: WeekDay | None = None) -> Self:
        """