Calendar-Hebrew

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lib/Calendar/Hebrew.pm  view on Meta::CPAN

        $self->year($self->date->year);
        $self->month($self->date->month);
    }
}

=head1 DESCRIPTION

The C<Calendar::Hebrew> was released on Sunday 23rd July 2017 to mark the completion
of L<1000th consecutive days of releasing to CPAN|http://blogs.perl.org/users/mohammad_s_anwar/2017/07/1000th-consecutive-days-releasing-to-cpan.html>.

The Hebrew or Jewish calendar is a lunisolar  calendar  used  today predominantly
for Jewish religious observances. It determines the dates for Jewish holidays and
the appropriate public reading of Torah portions, yahrzeits (dates to commemorate
the death of a relative), and daily Psalm readings, among many ceremonial uses.

The Hebrew lunar year is  about  eleven days shorter than the solar year and uses
the  19-year  Metonic  cycle  to bring it into line with the solar year, with the
addition  of an  intercalary month every two or three years, for a total of seven
 times  per  19 years. Even  with this intercalation, the average Hebrew calendar
year  is  longer by about 6 minutes and 40 seconds than the current mean tropical
year, so  that  every  216  years  the Hebrew calendar will fall a day behind the
current  mean  tropical year; and about every 231 years it will fall a day behind
the mean Gregorian calendar year.

    +--------------------------------------------------------------------------------------------------------+
    |                                            Tammuz [5777 BE]                                            |
    +--------------+--------------+--------------+--------------+--------------+--------------+--------------+
    |   Yom Rishon |    Yom Sheni | Yom Shelishi |    Yom Revil |  Yom Hamishi |   Yom Shishi |      Shabbat |
    +--------------+--------------+--------------+--------------+--------------+--------------+--------------+
    |            1 |            2 |            3 |            4 |            5 |            6 |            7 |
    +--------------+--------------+--------------+--------------+--------------+--------------+--------------+
    |            8 |            9 |           10 |           11 |           12 |           13 |           14 |
    +--------------+--------------+--------------+--------------+--------------+--------------+--------------+
    |           15 |           16 |           17 |           18 |           19 |           20 |           21 |
    +--------------+--------------+--------------+--------------+--------------+--------------+--------------+
    |           22 |           23 |           24 |           25 |           26 |           27 |           28 |
    +--------------+--------------+--------------+--------------+--------------+--------------+--------------+
    |           29 |                                                                                         |
    +--------------+--------------+--------------+--------------+--------------+--------------+--------------+

The package L<App::calendr> provides command line tool  C<calendr> to display the
supported calendars on the terminal. Support for  C<Hebrew Calendar>  is provided
by L<App::calendr> v0.16 or above.

=head1 SYNOPSIS

    use strict; use warnings;
    use Calendar::Hebrew;

    # prints current month calendar
    print Calendar::Hebrew->new, "\n";
    print Calendar::Hebrew->new->current, "\n";

    # prints hebrew month calendar in which the given gregorian date falls in.
    print Calendar::Hebrew->new->from_gregorian(2015, 1, 14), "\n";

    # prints hebrew month calendar in which the given julian day falls in.
    print Calendar::Hebrew->new->from_julian(2457102.5), "\n";

    # prints current month hebrew calendar in SVG format.
    print Calendar::Hebrew->new->as_svg;

    # prints current month hebrewn calendar in text format.
    print Calendar::Hebrew->new->as_text;

=head1 HEBREW MONTHS

    +-------+-------------------------------------------------------------------+
    | Month | Hebrew Name                                                       |
    +-------+-------------------------------------------------------------------+
    |     1 | Nisan                                                             |
    |     2 | Iyar                                                              |
    |     3 | Sivan                                                             |

lib/Calendar/Hebrew.pm  view on Meta::CPAN


=head1 CONSTRUCTOR

It expects month and year optionally. By default it gets current Hebrew month and
year.

=head1 METHODS

=head2 current()

Returns current month of the Hebrew calendar.

=cut

sub current {
    my ($self) = @_;

    return $self->as_text($self->date->month, $self->date->year);
}

=head2 from_gregorian($year, $month, $day)

Returns hebrew month calendar in which the given gregorian date falls in.

=cut

sub from_gregorian {
    my ($self, $year, $month, $day) = @_;

    return $self->from_julian($self->date->gregorian_to_julian($year, $month, $day));
}

=head2 from_julian($julian_day)

Returns hebrew month calendar in which the given julian day falls in.

=cut

sub from_julian {
    my ($self, $julian_day) = @_;

    my $date = $self->date->from_julian($julian_day);
    return $self->as_text($date->month, $date->year);
}

=head2 as_svg($month, $year)

Returns calendar for the given C<$month> and C<$year> rendered  in SVG format. If
C<$month> and C<$year> missing, it would return current calendar month.

=cut

sub as_svg {
    my ($self, $month, $year) = @_;

    ($month, $year) = $self->validate_params($month, $year);
    my $date = Date::Hebrew::Simple->new({ year => $year, month => $month, day => 1 });

    return $self->svg_calendar({
        start_index => $date->day_of_week,
        month_name  => $date->get_month_name,
        days        => $date->days_in_month_year($month, $year),
        year        => $year });
}

=head2 as_text($month, $year)

Returns  color  coded   Hebrew  calendar for the given C<$month> and C<$year>. If
C<$month> and C<$year> missing, it would return current calendar month.

=cut

sub as_text {
    my ($self, $month, $year) = @_;

    ($month, $year) = $self->validate_params($month, $year);
    my $date = Date::Hebrew::Simple->new({ year => $year, month => $month, day => 1 });

    return $self->text_calendar(
        {
            start_index => $date->day_of_week,
            month_name  => $date->get_month_name,
            days        => $date->days_in_month_year($month, $year),
            day_names   => $date->days,
            year        => $year
        });
}

sub as_string {

lib/Calendar/Hebrew.pm  view on Meta::CPAN

=item L<Calendar::Gregorian>

=item L<Calendar::Persian>

=item L<Calendar::Saka>

=back

=head1 BUGS

Please report any bugs or feature requests to C<bug-calendar-hebrew at rt.cpan.org>,
or through the web interface at L<http://rt.cpan.org/NoAuth/ReportBug.html?Queue=Calendar-Hebrew>.
I will be notified, and then you'll automatically be notified of progress on your
bug as I make changes.

=head1 SUPPORT

You can find documentation for this module with the perldoc command.

    perldoc Calendar::Hebrew



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