Polipo's log: couldn't parse date

Hi,

I'm a new subscriber.

Yesterday I built polipo from the official Github repository;
everything works fine (caching & adblock purposes), however, just for
curiosity, I noticed that the log file is full of these messages:

http://pastebin.com/uJFmrttT

it continuosly states:

"Couldn't parse date"

The curious fact is that the timestamp reported by these messages is
one hour behind, compared to my system time: when it say (eg) Fri, 05
Feb 2016 01:52:47 GMT, actually my clock strikes 02:52:47. Why? Could
this lead to some trouble? I also checked the current time in
computer's bios, and everything seems fine.

Kind regards.

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