jsec2time

This application converts Julian seconds to date.

# calling jsec2time
$ ./jsec2time <jsec>

Converting exemplarily Julian seconds of 539314401.00 after the 1. January 2000 in date results in:

./jsec2time 539314401.00
2017 2 2 1 0 0 0 0.11

Thus, Julian seconds of 539314401.00 correspond to the 2 February 2017 at hour hour 1:00 (0 s and 0.11 ms).