DateTime::LeapSecond

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DateTime::LeapSecond(User Contributed Perl DocumentatiDateTime::LeapSecond(3)



NAME
       DateTime::LeapSecond - leap seconds table and utilities

SYNOPSIS
	 use DateTime;
	 use DateTime::LeapSecond;

	 print "Leap seconds between years 1990 and 2000 are ";
	 print Date::Leapsecond::leap_seconds( $utc_rd_2000 ) -
	       Date::Leapsecond::leap_seconds( $utc_rd_1990 );

DESCRIPTION
       This module is used to calculate leap seconds for a given Rata Die
       day.  It is used when DateTime.pm cannot compile the XS version of
       this code.

       This library is known to be accurate for dates until december 2005.

       There are no leap seconds before 1972, because that’s the year this
       system was implemented.

       * leap_seconds( $rd )
	   Returns the number of accumulated leap seconds for a given day, in
	   the range 0 .. 22.

       * extra_seconds( $rd )
	   Returns the number of leap seconds for a given day, in the range
	   -2 .. 2.

       * day_length( $rd )
	   Returns the number of seconds for a given day, in the range 86398
	   .. 86402.

AUTHOR
       Flávio Soibelmann Glock, <fglock@pucrs.br>

COPYRIGHT
       Copyright (c) 2003 Flávio Soibelmann Glock.  Copyright (c) 2004-2006
       David Rolsky.  All rights reserved.  This program is free software;
       you can redistribute it and/or modify it under the same terms as Perl
       itself.

       The full text of the license can be found in the LICENSE file included
       with this module.

SEE ALSO
       <http://hpiers.obspm.fr/eop-pc/earthor/utc/leapsecond.html>

       http://datetime.perl.org



perl v5.8.8			  2007-06-19	      DateTime::LeapSecond(3)