#! /bin/csh -f
#
#     input:  hours since 2000-01-01 00:00:00
#     output: yyyy_mm_dd_hh (calendar/model year, month, day, and hour)
#
set   hr = $<
set day=`echo $hr | awk '{printf("%11.4f\n", 36160.0 + $1/24.0)}'`
echo $day 3 | hycom_wind_ymdh