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    1: DIDTC	;SFISC/XAK-DATE/TIME OPERATIONS ;9/6/94  15:24
    2: 	;;21.0;VA FileMan;;Dec 28, 1994
    3: 	;Per VHA Directive 10-93-142, this routine should not be modified.
    4: D	I 'X1!'X2 S X="" Q
    5: 	S X=X1 D H S X1=%H,X=X2,X2=%Y+1 D H S X=X1-%H,%Y=%Y+1&X2
    6: 	K %H,X1,X2 Q
    7: 	;
    8: C	S X=X1 Q:'X  D H S %H=%H+X2 D YMD S:$P(X1,".",2) X=X_"."_$P(X1,".",2) K X1,X2 Q
    9: S	S %=%#60/100+(%#3600\60)/100+(%\3600)/100 Q
   10: 	;
   11: H	I X<1410000 S %H=0,%Y=-1 Q
   12: 	S %Y=$E(X,1,3),%M=$E(X,4,5),%D=$E(X,6,7)
   13: 	S %T=$E(X_0,9,10)*60+$E(X_"000",11,12)*60+$E(X_"00000",13,14)
   14: TOH	S %H=%M>2&'(%Y#4)+$P("^31^59^90^120^151^181^212^243^273^304^334","^",%M)+%D
   15: 	S %='%M!'%D,%Y=%Y-141,%H=%H+(%Y*365)+(%Y\4)-(%Y>59)+%,%Y=$S(%:-1,1:%H+4#7)
   16: 	K %M,%D,% Q
   17: 	;
   18: DOW	D H S Y=%Y K %H,%Y Q
   19: DW	D H S Y=%Y,X=$P("SUN^MON^TUES^WEDNES^THURS^FRI^SATUR","^",Y+1)_"DAY"
   20: 	S:Y<0 X="" Q
   21: 7	S %=%H>21608+%H-.1,%Y=%\365.25+141,%=%#365.25\1
   22: 	S %D=%+306#(%Y#4=0+365)#153#61#31+1,%M=%-%D\29+1
   23: 	S X=%Y_"00"+%M_"00"+%D Q
   24: 	;
   25: YX	D YMD S Y=X_% G DD^%DT
   26: YMD	D 7 S %=$P(%H,",",2) D S K %D,%M,%Y Q
   27: T	F %=1:1 S Y=$E(X,%) Q:"+-"[Y  G 1^%DT:$E("TODAY",%)'=Y
   28: 	S X=$E(X,%+1,99) G PM:Y="" I +X'=X D DMW S X=%
   29: 	G:'X 1^%DT
   30: PM	S @("%H=$H"_Y_X) D TT G 1^%DT:%I(3)'?3N,D^%DT
   31: N	F %=2:1 S Y=$E(X,%) Q:"+-"[Y  G 1^%DT:$E("NOW",%)'=Y
   32: 	I Y="" S %H=$H G RT
   33: 	S X=$E(X,%+1,99)
   34: 	I X?1.N1"H" S X=X*3600,%H=$H,@("X=$P(%H,"","",2)"_Y_X),%=$S(X<0:-1,1:0)+(X\86400),X=X#86400,%H=$P(%H,",")+%_","_X G RT
   35: 	D DMW G 1^%DT:'% S @("%H=$H"_Y_%),%H=%H_","_$P($H,",",2)
   36: RT	D TT S %=$P(%H,",",2) D S S %=X_$S(%>0:%,1:"") I %DT'["S" S %=+$E(%,1,12)
   37: 	Q:'$D(%(0))  S Y=% G E^%DT
   38: PF	S %H=$H D YMD S %(9)=X,X=%DT["F"*2-1 I @("%I(1)*100+%I(2)"_$E("> <",X+2)_"$E(%(9),4,7)") S %I(3)=%I(3)+X
   39: 	Q
   40: TT	D 7 S %I(1)=%M,%I(2)=%D,%I(3)=%Y K %M,%D,%Y Q
   41: NOW	S %H=$H,%H=$S($P(%H,",",2):%H,1:%H-1)
   42: 	D TT S %=$P(%H,",",2) D S S %=X_$S(%:%,1:.24) Q
   43: DMW	S %=$S(X?1.N1"D":+X,X?1.N1"W":X*7,X?1.N1"M":X*30,+X=X:X,1:0)
   44: 	Q
   45: COMMA	;
   46: 	S %D=X<0 S:%D X=-X S %=$S($D(X2):+X2,1:2),X=$J(X,1,%),%=$L(X)-3-$E(23456789,%),%L=$S($D(X3):X3,1:12)
   47: 	F %=%:-3 Q:$E(X,%)=""  S X=$E(X,1,%)_","_$E(X,%+1,99)
   48: 	S:$D(X2) X=$E("$",X2["$")_X S X=$J($E("(",%D)_X_$E(" )",%D+1),%L) K %,%D,%L
   49: 	Q
   50: HELP	S DDH=$S($D(DDH):DDH,1:0),A1="Examples of Valid Dates:" D %
   51: 	S A1="  "_$S(%DT["I":"20.1.1957",1:"JAN 20 1957 or 20 JAN 57")_" or "_$S(%DT["I":"20/1",1:"1/20")_"/57"_$S(%DT'["N":" or "_$S(%DT["I":200157,1:"012057"),1:"") D %
   52: 	S A1="  T   (for TODAY),  T+1 (for TOMORROW),  T+2,  T+7,  etc." D %
   53: 	S A1="  T-1 (for YESTERDAY),  T-3W (for 3 WEEKS AGO), etc." D %
   54: 	S A1="If the year is omitted, the computer "_$S(%DT["P":"assumes a date in the PAST.",%DT["F":"assumes a date in the FUTURE.",1:"uses the CURRENT YEAR.") D %
   55: 	I %DT'["X" S A1="You may omit the precise day, as:  "_$S(%DT["I":1,1:"JAN,")_" 1957" D %
   56: 	I %DT'["T",%DT'["R" G 0
   57: 	S A1="If only the time is entered, the current date is assumed." D %
   58: 	S A1="Follow the date with a time, such as "_$S(%DT["I":"20.1",1:"JAN 20")_"@10, T@10AM, 10:30, etc." D %
   59: 	S A1="You may enter a time, such as NOON, MIDNIGHT or NOW." D %
   60: 	I %DT["S" S A1="Seconds may be entered as 10:30:30 or 103030AM." D %
   61: 	I %DT["R" S A1="Time is REQUIRED in this response." D %
   62: 0	Q:'$D(%DT(0))
   63: 	S A1=" " D % S A1="Enter a date which is "_$S(%DT(0)["-":"less",1:"greater")_" than or equal to " D %
   64: 	S Y=$S(%DT(0)["-":$P(%DT(0),"-",2),1:%DT(0)) D DD^%DT:Y'["NOW"
   65: 	I '$D(DDS) W Y,"." K A1 Q
   66: 	S DDH(DDH,"T")=DDH(DDH,"T")_Y_"." K A1 Q
   67: 	;
   68: %	I '$D(DDS) W !,"     ",A1 Q
   69: 	S DDH=DDH+1,DDH(DDH,"T")="     "_A1 Q