Home Tools date to wind day Converter
date to wind day Converter Print

The following tool can be found in the HYCOM source distribution.

The MT value is days since 1900-12-31 00:00:00, which is also the HYCOM model day or NRL wind day, so you can use hycom_date_wind to find MT.


c     input:  yyyy ddd hh (calendar/model year, ordinal day, and hour), or
c             yyyy_ddd_hh (calendar/model year, ordinal day, and hour)
c     output: the HYCOM model day and yrflag(=3)
c --- wday   = wind day since 01/01/1901
c --- yrflag = days in year flag (3=actual)


ajax 101> echo 2012 120 00  | hycom_date_wind
   40662.00000  3