NAME: WEEKDAY PURPOSE: Compute weekday given year, month, day. CATEGORY: CALLING SEQUENCE: wd = weekday(y,m,d,[nwd]) INPUTS: y, m, d = Year, month, day (Like 1988, 10, 31). in KEYWORD PARAMETERS: OUTPUTS: wd = Returned name of weekday. out nwd = optional Weekday number. out COMMON BLOCKS: NOTES: MODIFICATION HISTORY: R. Sterner. 31 Oct, 1988. Johns Hopkins University Applied Physics Laboratory. RES 18 Sep, 1989 --- converted to SUN R. Sterner, 2010 May 04 --- Converted arrays from () to []. Copyright (C) 1988, Johns Hopkins University/Applied Physics Laboratory This software may be used, copied, or redistributed as long as it is not sold and this copyright notice is reproduced on each copy made. This routine is provided as is without any express or implied warranties whatsoever. Other limitations apply as described in the file disclaimer.txt.