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In POSIX, UTC-2 means 2 hours after UTC, and UTC+2 means 2 hours before UTC. In other words, If it's currently 8am in UTC, it's 10am in time zone UTC-2, and 6am in time zone UTC+2.

This thread captures the issue well, but doesn't explain the reasoning for why things are this way in POSIX. Why is it this way?

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closed as not constructive by soandos, Paul, random Jul 10 '12 at 21:09

As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, references, or expertise, but this question will likely solicit debate, arguments, polling, or extended discussion. If you feel that this question can be improved and possibly reopened, visit the help center for guidance.If this question can be reworded to fit the rules in the help center, please edit the question.

Hello Jer, please read the faq, this site is to find solutions to technical problems. Discussions are better carried out in forums. – Paul Jun 13 '12 at 0:38
Best guess: Because someone messed up. – Lennart Regebro Jul 1 '13 at 9:45

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