There are some clues scattered through strftime reference for Win32. Apparently, %e is not supported on Windows.

Google also turns up some pointers into PHP-related discussions that bear this out, e.g., http://aspn.activestate.com/ASPN/Mail/Message/php-Dev/3656815

In reply to Re: strftime Windows/Solaris compatibility question by broomduster
in thread strftime Windows/Solaris compatibility question by rovf

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