
First day with week numbers
       January 1       
   Su Mo Tu We Th Fr Sa
52                   [7m 1[27m 
 1  2  3  4  5  6  7  8 
 2  9 10 11 12 13 14 15 
 3 16 17 18 19 20 21 22 
 4 23 24 25 26 27 28 29 
 5 30 31                
Reformation corner cases 1 with week numbers
     September 1752    
   Su Mo Tu We Th Fr Sa
35        1 [7m 2[27m 14 15 16 
36 17 18 19 20 21 22 23 
37 24 25 26 27 28 29 30 
                        
                        
                        
Reformation corner cases 2 with week numbers
     September 1752    
   Su Mo Tu We Th Fr Sa
35        1  2 14 15 16 
36 17 18 19 20 21 22 23 
37 24 25 26 27 28 29 30 
                        
                        
                        
Reformation corner cases 3 with week numbers
     September 1752    
   Su Mo Tu We Th Fr Sa
35        1  2 14 15 16 
36 17 18 19 20 21 22 23 
37 24 25 26 27 28 29 30 
                        
                        
                        
Reformation corner cases 4 with week numbers
     September 1752    
   Su Mo Tu We Th Fr Sa
35        1  2 [7m14[27m 15 16 
36 17 18 19 20 21 22 23 
37 24 25 26 27 28 29 30 
                        
                        
                        
Last day with week numbers
     November 9999            December 9999            January 10000     
   Su Mo Tu We Th Fr Sa     Su Mo Tu We Th Fr Sa     Su Mo Tu We Th Fr Sa
44     1  2  3  4  5  6  48           1  2  3  4  52                    1 
45  7  8  9 10 11 12 13  49  5  6  7  8  9 10 11   1  2  3  4  5  6  7  8 
46 14 15 16 17 18 19 20  50 12 13 14 15 16 17 18   2  9 10 11 12 13 14 15 
47 21 22 23 24 25 26 27  51 19 20 21 22 23 24 25   3 16 17 18 19 20 21 22 
48 28 29 30              52 26 27 28 29 30 [7m31[27m      4 23 24 25 26 27 28 29 
                                                   5 30 31                
