This is just a convenience thingy for myself, please dont complain about it :)

Date yyyymmdd to utime (Unix TimeStamp)

Source: 20100908
Result: 1283918400 --> Wed, 08 Sep 2010 00:00:00 -0400

UTime to Date

Source: 1283993217
Result: 1283993217 --> 20100908 [Wed, 08 Sep 2010 20:46:57 -0400]

Duration

Result: 1283993217 --> 40 years 9 months 1 week 2 days 46 minutes 57 seconds
    Today Minus Duration is [Wed, 31 Dec 1969 19:00:00 -0500]