im sorting it on a key of the hash
my @daylistsorted = sort { $$a{'START_DS'} <=> $$b{'START_DS'} }
@daylist;
 generates a
Argument "2007:09:30 13:41" isn't numeric in numeric comparison (<=>)
at ./518573

error

my @daylistsorted = sort { $$a{'START'} <=> $$b{'START'} } @daylist;

works


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