Is this a (date) bug or what I just got wrong?

[dexter]

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> (date-parse "27/Feb/2012:17:14:34" "%d/%b/%Y:%H:%M:%S")
1330362874
> (date 1330362874  0 "%d/%b/%Y:%H:%M:%S")
"28/Feb/2012:01:14:34"

parsed time not equal .
Why??
I did not change locale, I created this time "27/Feb/2012:17:14:34" under the same locale.

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~ $ newlisp
newLISP v.10.4.0 64-bit on OSX IPv4/6, execute 'newlisp -h' for more info.

[johu]

According to newLISP manual,

date-parse returns the number of UTC seconds passed since January 1st, 1970 UTC starting with 0.

and

date returns returns the local time zone's current date and time as a string representation.

Then,

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> (date-list 1330362874)
(2012 2 27 17 14 34 57 1)

Next,
Time zone offset in minutes is obtained by (now 0 -2)

Therefore, since v.10.4.0

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(date 1330362874 (- (now 0 -2)) "%d/%b/%Y:%H:%M:%S")

before v.10.4.0

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(date 1330362874 (now 0 -2) "%d/%b/%Y:%H:%M:%S")

You will get the wanted date string, maybe.