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(slib.info)Common-Lisp Time

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Common-Lisp Time
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 - Function: get-decoded-time
     Equivalent to `(decode-universal-time (get-universal-time))'.

 - Function: get-universal-time
     Returns the current time as "Universal Time", number of seconds
     since 00:00:00 Jan 1, 1900 GMT.  Note that the reference time is
     different from `current-time'.

 - Function: decode-universal-time univtime
     Converts UNIVTIME to "Decoded Time" format.  Nine values are
     returned:
       0.  seconds (0 - 61)

       1.  minutes (0 - 59)

       2.  hours since midnight

       3.  day of month

       4.  month (1 - 12).  Note difference from `gmtime' and
          `localtime'.

       5.  year (A.D.).  Note difference from `gmtime' and `localtime'.

       6.  day of week (0 - 6)

       7.  #t for daylight savings, #f otherwise

       8.  hours west of GMT (-24 - +24)

     Notice that the values returned by `decode-universal-time' do not
     match the arguments to `encode-universal-time'.

 - Function: encode-universal-time second minute hour date month year
 - Function: encode-universal-time second minute hour date month year
          time-zone
     Converts the arguments in Decoded Time format to Universal Time
     format.  If TIME-ZONE is not specified, the returned time is
     adjusted for daylight saving time.  Otherwise, no adjustment is
     performed.

     Notice that the values returned by `decode-universal-time' do not
     match the arguments to `encode-universal-time'.