NAME

       Atompub::DateTime - A date and time object for the Atom Publishing Protocol

SYNOPSIS

           # assuming the local timezone is JST (+09:00)

           use Atompub::DateTime qw(datetime);

           $dt = datetime;                                  # current time
           $dt = datetime(DateTime->new);
           $dt = datetime(1167609600);                      # UTC epoch value
           $dt = datetime('20070101090000');
           $dt = datetime('2007-01-01 09:00:00');
           $dt = datetime('2007-01-01 00:00:00Z');
           $dt = datetime('2007-01-01T09:00:00+09:00');
           $dt = datetime('2007-01-01T00:00:00Z');
           $dt = datetime('Mon, 01 Jan 2007 00:00:00 GMT');

           $dt->epoch; # 1167609600 (UTC epoch value)
           $dt->iso;   # 2007-01-01 09:00:00 (in localtime)
           $dt->isoz;  # 2007-01-01 00:00:00Z
           $dt->w3c;   # 2007-01-01T09:00:00+09:00
           $dt->w3cz;  # 2007-01-01T00:00:00Z
           $dt->str;   # Mon, 01 Jan 2007 00:00:00 GMT

           my $dt2 = datetime($dt); # copy

           $dt == $dt2; # compare

           "$dt"; # $dt->w3c

           $dt->dt; # DateTime object

METHODS

   Atompub::DateTime->new([ $str ])
       Returns a datetime object representing the time $str.  If the function is called without
       an argument, it will use the current time.

   datetime([ $str ])
       An alias for Atompub::DateTime->new

   $datetime->epoch
       Returns UTC epoch value.

           1167609600

   $datetime->iso
       Returns a "YYYY-MM-DD hh:mm:ss"-formatted string representing time in the local time zone.

           2007-01-01 09:00:00

   $datetime->isoz
       Returns a "YYYY-MM-DD hh:mm:ssZ"-formatted string representing Universal Time.

           2007-01-01 00:00:00Z

   $datetime->w3c
       Returns a "YYYY-MM-DDThh:mm:ssTZ"-formatted string (W3C DateTime Format) representing time
       in the local time zone.

           2007-01-01T09:00:00+09:00

   $datetime->w3cz
       Returns a "YYYY-MM-DDThh:mm:ssZ"-formatted string (W3C DateTime Format) representing
       Universal Time.

           2007-01-01T00:00:00Z

   $datetime->str
       Returns a human readable representation.

           Mon, 01 Jan 2007 00:00:00 GMT

   $datetime->dt
       An accessor for the internal DateTime object.

   $datetime->tz
       An accessor for the internal DateTime::TimeZone object.

   $datetime->fmt
       An accessor for the internal DateTime::Format object.

INTERNAL INTERFACES

   $datetime->init
   $datetime->_parse_timestamp

SEE ALSO

       Atompub

AUTHOR

       Takeru INOUE, <takeru.inoue _ gmail.com>

LICENCE AND COPYRIGHT

       Copyright (c) 2007, Takeru INOUE "<takeru.inoue _ gmail.com>". All rights reserved.

       This module is free software; you can redistribute it and/or modify it under the same
       terms as Perl itself. See perlartistic.

DISCLAIMER OF WARRANTY

       BECAUSE THIS SOFTWARE IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY FOR THE SOFTWARE,
       TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE
       COPYRIGHT HOLDERS AND/OR OTHER PARTIES PROVIDE THE SOFTWARE "AS IS" WITHOUT WARRANTY OF
       ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
       WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO
       THE QUALITY AND PERFORMANCE OF THE SOFTWARE IS WITH YOU. SHOULD THE SOFTWARE PROVE
       DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR, OR CORRECTION.

       IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING WILL ANY COPYRIGHT
       HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR REDISTRIBUTE THE SOFTWARE AS PERMITTED BY
       THE ABOVE LICENCE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL,
       INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE
       SOFTWARE (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR
       LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE SOFTWARE TO OPERATE WITH ANY
       OTHER SOFTWARE), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
       SUCH DAMAGES.