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Possible Duplicate:
Back to the future
Comments out of order

Check out the comments on this answer: http://stackoverflow.com/a/6721379/483520

Arnold's comment seems to be referring to Voo's, but the timestamps have it before both Voo's comment and the answer to which the comment applies.

Is this a bug?

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marked as duplicate by Tim Stone, martin clayton, Chris Frederick, kiamlaluno, Cody Gray Feb 23 '12 at 3:00

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

    
Yes, the timeline view for that question is mighty strange. The comment is made first, to both a question and an answer that does not exist. I don't know what might cause this. – Cody Gray Feb 22 '12 at 22:32
1  
Reminds me of a certain forum, where one could comment on threads that weren't made yet, by substituting the thread id. Look at me, look at me, I have a time-machine. – CodesInChaos Feb 22 '12 at 22:37
    
Weeeird! Interestingly, the comment was supposedly written at 21:13 the previous day, which could be exactly 5 hours before the actual time it may have been written (2:13 UTC would make a lot of sense, it being a reply to one made at 2:12). The user resides in Canada, which has a UTC-5 time zone. Being able to mess with post times through some crazy time zone setting would be such a freakishly cool bug to do shenanigans with. Any chance of sweeping this under the rug before a dev sees it so we can look for it? :) – Pëkka Feb 22 '12 at 22:39

If a mod converts an answer to a comment, the newly formed comment will have the same timestamp as the original answer. (Though I'm unsure why a mod would convert it to a comment on another answer in the situation you linked to.) Older answer gets converted to comment on newer answer = "time-traveling" comment.

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2  
Doesn't make any sense in this situation though. The comment was clearly a reply to a previous comment – Pëkka Feb 22 '12 at 23:22
    
@Pekka Hm... funky. Wombats were already marked "status-completed" so we know it's not that. And the time period rules out ninja-edits. I'm flumoxed... – Farray Feb 22 '12 at 23:41
    
The wombats probably just got off-schedule again. These things happen, especially if you forget to feed them. Or tire them out by awarding too many badges in a single day. – Cody Gray Feb 23 '12 at 3:01

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