13*24*60*60 is (days * hours/day * minutes/hour * seconds/min). So your script is taking the current date/time, adding 13 days to it, and then printing the two digit month and year of that date/time. Since 13 days from now is still December 2007, you're getting 0712 (instead of the 0801 you evidently expected).
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time is in seconds, so he is just converting 1123200 seconds into days 11123200 / 60 sec / 60 min / 24 hours = 13 days. Or 13 days * 24 hours * 60 min * 60 sec = 1123200 seconds. | [reply] |
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No. One takes 13 days and multiplies it by unity three times, leaving it unchanged. Here is how it goes:
(13 d) (24 h/d) (60 m/h) (60 s/m) = 1123200 s
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