Calendar Highlight in UNIX

I have tried several but could not highlight multiple dates in year calendar

cal -y
2022                               

       January               February                 March       
Su Mo Tu We Th Fr Sa   Su Mo Tu We Th Fr Sa   Su Mo Tu We Th Fr Sa
                   1          1  2  3  4  5          1  2  3  4  5   
 2  3  4  5  6  7  8    6  7  8  9 10 11 12    6  7  8  9 10 11 12   
 9 10 11 12 13 14 15   13 14 15 16 17 18 19   13 14 15 16 17 18 19   
16 17 18 19 20 21 22   20 21 22 23 24 25 26   20 21 22 23 24 25 26   
23 24 25 26 27 28 29   27 28                  27 28 29 30 31         
30 31                                                                
        April                   May                   June        
Su Mo Tu We Th Fr Sa   Su Mo Tu We Th Fr Sa   Su Mo Tu We Th Fr Sa
                1  2    1  2  3  4  5  6  7             1  2  3  4   
 3  4  5  6  7  8  9    8  9 10 11 12 13 14    5  6  7  8  9 10 11   
10 11 12 13 14 15 16   15 16 17 18 19 20 21   12 13 14 15 16 17 18   
17 18 19 20 21 22 23   22 23 24 25 26 27 28   19 20 21 22 23 24 25   
24 25 26 27 28 29 30   29 30 31               26 27 28 29 30         
                                                                     
        July                  August                September     
Su Mo Tu We Th Fr Sa   Su Mo Tu We Th Fr Sa   Su Mo Tu We Th Fr Sa
                1  2       1  2  3  4  5  6                1  2  3   
 3  4  5  6  7  8  9    7  8  9 10 11 12 13    4  5  6  7  8  9 10   
10 11 12 13 14 15 16   14 15 16 17 18 19 20   11 12 13 14 15 16 17   
17 18 19 20 21 22 23   21 22 23 24 25 26 27   18 19 20 21 22 23 24   
24 25 26 27 28 29 30   28 29 30 31            25 26 27 28 29 30      
31                                                                   
       October               November               December      
Su Mo Tu We Th Fr Sa   Su Mo Tu We Th Fr Sa   Su Mo Tu We Th Fr Sa
                   1          1  2  3  4  5                1  2  3   
 2  3  4  5  6  7  8    6  7  8  9 10 11 12    4  5  6  7  8  9 10   
 9 10 11 12 13 14 15   13 14 15 16 17 18 19   11 12 13 14 15 16 17   
16 17 18 19 20 21 22   20 21 22 23 24 25 26   18 19 20 21 22 23 24   
23 24 25 26 27 28 29   27 28 29 30            25 26 27 28 29 30 31   
30 31

I want to highlight multiple dates in the year calendar. Is it possible in UNIX?