Strange... Or more likely I don't understand what is going on here, being a noob. Your suggestion about using the epochs helped me at least figure out a way around my problem. If I add:

$oldtime = $oldtime - $ctime->tzoffset;
[download]

I get the desired results, although my statement

print "The old time is $oldtime\n";
[download]

Then prints a formatted time 6 hours in the future. I needed to update that to

print "The old time is ", $oldtime + $ctime->tzoffset, "\n";
[download]

To get it to print the correct time. That isn't a great concern as I actually won't ever be using the print statements, only the calculations, in the bigger script I am retrofitting. Still, it shows I am missing something basic in how this all works and that concerns me.

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