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diff --git a/Master/texmf-dist/tex/latex/polyglossia/cal-util.def b/Master/texmf-dist/tex/latex/polyglossia/cal-util.def
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+%%%%%%%%%%%%% cal-util.def %%%%%%%%%%%%%%%%
+% Macros shared by hijrical and hebrewcal %
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% the following is adapted from hebcal.sty in babel
+\def\@Remainder#1#2#3{%
+    #3 = #1%                   %  c = a
+    \divide #3 by #2%          %  c = a/b
+    \multiply #3 by -#2%       %  c = -b(a/b)
+    \advance #3 by #1}%        %  c = a - b(a/b)
+\newif\if@Divisible
+\def\@CheckIfDivisible#1#2{%
+    {%
+      \countdef\tmpx=0%        % temporary variable
+      \@Remainder{#1}{#2}{\tmpx}%
+      \ifnum\tmpx=0%
+          \global\@Divisibletrue%
+      \else%
+          \global\@Divisiblefalse%
+      \fi}}
+\newif\if@GregorianLeap
+\def\@CheckIfGregorianLeap#1{%
+   {%
+   \@CheckIfDivisible{#1}{4}%
+    \if@Divisible%
+        \@CheckIfDivisible{#1}{100}%
+        \if@Divisible%
+            \@CheckIfDivisible{#1}{400}%
+            \if@Divisible%
+                \global\@GregorianLeaptrue%
+            \else%
+                \global\@GregorianLeapfalse%
+            \fi%
+        \else%
+            \global\@GregorianLeaptrue%
+        \fi%
+    \else%
+        \global\@GregorianLeapfalse%
+    \fi%
+    }}
+%%
+
+\newcounter{tmpA}\newcounter{tmpB}
+\newcounter{tmpC}\newcounter{tmpD}
+\newcounter{tmpE}\newcounter{tmpF}
+
+
+%% This is an algorithm from Reingold & Dershowitz, 
+%% Calendrical Calculations, The Millenium Edition
+%%
+\def\@FixedFromGregorian#1#2#3#4{%
+ \setcounter{tmpA}{(#1-1)*365}%
+ \setcounter{tmpB}{(#1-1)/4}%
+ \setcounter{tmpC}{(#1-1)/100}%
+ \setcounter{tmpD}{(#1-1)/400}%
+ \setcounter{tmpE}{(367*#2-362)/12}%
+ \ifnum#2<3%
+    \setcounter{tmpF}{0}%
+ \else%
+      \@CheckIfGregorianLeap{#1}%
+      \if@GregorianLeap%
+        \setcounter{tmpF}{-1}%
+      \else%
+        \setcounter{tmpF}{-2}%
+      \fi%
+ \fi%
+ \@ifundefined{c@#4}{\global\newcounter{#4}}{}%
+ \setcounter{#4}{\value{tmpA}+\value{tmpB}-\value{tmpC}+\value{tmpD}+\value{tmpE}+\value{tmpF}+#3}%
+}
+\endinput