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NAMEDateTime::LeapSecond - leap seconds table and utilities
use DateTime; use DateTime::LeapSecond; print "Leap seconds between years 1990 and 2000 are "; print DateTime::Leapsecond::leap_seconds( $utc_rd_2000 ) - DateTime::Leapsecond::leap_seconds( $utc_rd_1990 );
DESCRIPTIONThis module is used to calculate leap seconds for a given Rata Die day. It is used when DateTime.pm cannot compile the
This library is known to be accurate for dates until December 2009.
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.
AUTHORDave Rolsky <email@example.com>
COPYRIGHT AND LICENSEThis software is Copyright (c) 2015 by Dave Rolsky.
This is free software, licensed under:
The Artistic License 2.0 (GPL Compatible)