The behavior also appears to occur if I change my $t = localtime; to my $t = gmtime; as well, where the timezone is then 'UTC'.

That is very interesting. If I run your original code as posted (with Time::Piece 1.3401) with the TZ environment variable unset, it runs to completion and I see this output:

Time is:
Thu, 14 Jan 2021 09:48:00 GMT
Time is:
Thu, 14 Jan 2021 09:48:00 UTC

[download]

Note that the textual representation of the timezone differs in the two lines of output.

If I subsequently re-run it with TZ set to apparently anything other than "GMT", then it bombs out. Even if I set it to "UTC" it will bomb out. This looks like a bug in Time::Piece .

Time is:
Thu, 14 Jan 2021 10:03:32 UTC
Error parsing time at /usr/local/lib64/perl5/Time/Piece.pm line 598.
 at tp.pl line 11.
    main::__ANON__("Error parsing time at /usr/local/lib64/perl5/Time/
+Piece.pm li"...) called at /usr/local/lib64/perl5/Time/Piece.pm line 
+598
    Time::Piece::strptime("Time::Piece", "Thu, 14 Jan 2021 10:03:32 UT
+C", "%a, %d %b %Y %T %Z") called at tp.pl line 23

[download]

🦛

In reply to Re: Question regarding Time::Piece and timezones by hippo
in thread Question regarding Time::Piece and timezones by atcroft

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