ecification:</p>
<p>seconds since 1992-10-8 15:15:42.5 -6:00</p>
<p>indicates seconds since October 8th, 1992 at 3 hours, 15 minutes and 42.5 seconds in the afternoon in the time zone which is six hours to the west of Coordinated Universal Time (i.e. Mountain Daylight Time). The time zone specification can also be written without a colon using one or two-digits (indicating hours) or three or four digits (indicating hours and minutes).</p>
<p>The acceptable units for time are listed in the file udunits.dat. 