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Posted By

Scooter on 11/29/08


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DateTime


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Swatch Internet Time

 / Published in: ASP
 

URL: http://reusablecode.blogspot.com/2008/11/swatch-internet-time.html

Convert a time value into a Swatch beat. Requires my str_pad() and floor() functions. To return an accurate result, the time value passed in needs to be UTC/GMT (in other words, without offset). There are two ways to achieve this: set your server's time zone to GMT, or use my UTC time function.

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  1. <%
  2.     ' Copyright (c) 2008, reusablecode.blogspot.com; some rights reserved.
  3.     '
  4.     ' This work is licensed under the Creative Commons Attribution License. To view
  5.     ' a copy of this license, visit http://creativecommons.org/licenses/by/3.0/ or
  6.     ' send a letter to Creative Commons, 559 Nathan Abbott Way, Stanford, California
  7.     ' 94305, USA.
  8.  
  9.     ' Returns the Swatch Internet Time beats for the given time value.
  10.     ' To be accurate, the input value MUST be Universal Coordinated Time (UTC).
  11.     ' REQUIRES: str_pad(), floor()
  12.     function swatch(someTime)
  13.         swatch = str_pad(floor(((Hour(someTime) * 3600 * 1000) + (Minute(someTime) * 60 * 1000) + (Second(someTime) * 1000)) / 86400), 3, "0", STR_PAD_LEFT)
  14.     end function
  15. %>

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