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 );
This library is known to be accurate for dates until Jun 2017.
There are no leap seconds before 1972, because that's the year this system was implemented.
Returns the number of accumulated leap seconds for a given day.
Returns the number of leap seconds for a given day, in the range -2 .. 2.
Returns the number of seconds for a given day, in the range 86398 .. 86402.
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This is free software, licensed under:
The Artistic License 2.0 (GPL Compatible)
The full text of the license can be found in the LICENSE file included with this distribution.