Time convention program (GPST, JD, J2000, DOY)
Published:
Time convertion ultility, convert input time system to all kinds of times. Valid between 1 March 1900 and 28 February 2100.
Latest version
2017-04-01: Linux_binary_release_download
Usages
[] means optional arguments, *.f means float input/output
From calender date -> caltime date year month day [hour] [minute] [second.f]
From calender day of year -> caltime doy year doy [second_of_day.f]
From J2000 seconds -> caltime j2000 j2000_second.f
From Modified Julian Date -> caltime mjd mjd_day.f
From GPS week -> caltime week week_num day_of_week [second_of_day.f]
Help info -> caltime -help
Formated Output, same for all usages
Year month day hour minute second.f doy secondofday.f wwww dow mjd.f J200sec.f
Examples usages:
| From month day to doy -> “caltime date 2012 12 20 | awk ‘{print $7}’ “ | |
| From doy to gps week -> “caltime date 2012 231 | awk ‘{print $9,$10}’ “ | |
| Read input from stdin -> “awk ‘{print $1,$2,$3}’ filename | caltime date “ | |
| Read input from stdin -> “cat filename | caltime j2000 | awk ‘{print $12}’ “ |
Reference:
1.GNSS – Global Navigation Satellite Systems, Hofmann-Wellenhof, Bernhard, Lichtenegger, Herbert, Wasle, Elmar
Update logs
2017-04-01: published