http://www.perlmonks.org?node_id=1157670


in reply to Perl daylight savings time issue? (nm, I'm an idiot)

In Belgium Daylight Saving Time starts on Sunday March 27, 2016 at 2:00 AM local time.

Hence perl -MData::Dumper -le "print [ localtime() ]->[-1]" now gives 0 and perl -MData::Dumper -le "print [ localtime(time + 60 * 60 * 24 * 14) ]->[-1]" gives 1.

My Windows 7 computer doesn't have a TZ environment variable set at all.

CountZero

A program should be light and agile, its subroutines connected like a string of pearls. The spirit and intent of the program should be retained throughout. There should be neither too little or too much, neither needless loops nor useless variables, neither lack of structure nor overwhelming rigidity." - The Tao of Programming, 4.1 - Geoffrey James

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