7/30/2019 Convert Gregorian Date to Julian Date for Any Input Year

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JULIAN DAY CONVERTERAIM: CONVERT GREGORIAN DATE TO JULIAN DATE FOR ANY INPUT YEAR****** ***************************** Top of Data **************************************

IDENTIFICATION DIVISION.PROGRAM-ID. MACJUL.DATA DIVISION.WORKING-STORAGE SECTION.01 A.

05 A1 PIC 9999.05 A2 PIC 99.05 A3 PIC 99.

01 B.05 B1 PIC 9999.05 B2 PIC 999.

01 C PIC 9 VALUE 2.PROCEDURE DIVISION.0001.

DISPLAY "ENTER GREGORIAN DATE (YYYYMMDD):".ACCEPT A.IF A NOT NUMERIC OR A2 > 12 OR A3 > 31DISPLAY "INVALID DATE" GO 0001.MOVE A1 TO B1.

COMPUTE B2 = A3.IF A2 = 12 ADD 30 TO B2 SUBTRACT 1 FROM A2.IF A2 = 11 ADD 31 TO B2 SUBTRACT 1 FROM A2.IF A2 = 10 ADD 30 TO B2 SUBTRACT 1 FROM A2.IF A2 = 9 ADD 31 TO B2 SUBTRACT 1 FROM A2.IF A2 = 8 ADD 31 TO B2 SUBTRACT 1 FROM A2.IF A2 = 7 ADD 30 TO B2 SUBTRACT 1 FROM A2.IF A2 = 6 ADD 31 TO B2 SUBTRACT 1 FROM A2.IF A2 = 5 ADD 30 TO B2 SUBTRACT 1 FROM A2.IF A2 = 4 ADD 31 TO B2 SUBTRACT 1 FROM A2.IF A2 = 3 ADD 28 TO B2 SUBTRACT 1 FROM A2DIVIDE A1 BY 4 GIVING A1 REMAINDER CIF C = 0 ADD 1 TO B2.

IF A2 = 2 ADD 31 TO B2.DISPLAY " ".DISPLAY "JULION DATE IS(YYYYDDD):".DISPLAY B1 ":" B2.STOP RUN.

****** **************************** Bottom of Data ************************************//Compatible with all compilers & version

SAMPLE OUTPUT

ENTER GREGORIAN DATE (YYYYMMDD):

20030501

JULIAN DATE IS (YYYYDDD):

2003:121

7/30/2019 Convert Gregorian Date to Julian Date for Any Input Year

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