sonobe@uzuki 197 > sec2time
Offset time in seconds[5.324326790694524E+07] 1.0e7
Location of leapsecond file (FTOOLS, CALDB, or filename)[FTOOLS]
Offset of 1.000000000000000E+07 from 1/1/93 0:0:0
is date and time (including leapseconds) = 26/4/93 17:46:40.00000
Modified Julian Day = 49103.740740740746000