Calculate the age of the moon

DateDay of week->Age of the moonMoon
9/1/2022Thurs.  4.78Age of the moon: 4.78
9/2/2022Fri.  5.78Age of the moon: 5.78
9/3/2022Sat.  6.78Age of the moon: 6.78
9/4/2022Sun.  7.78Age of the moon: 7.78
9/5/2022Mon.  8.78Age of the moon: 8.78
9/6/2022Tues.  9.78Age of the moon: 9.78
9/7/2022Wed.  10.78Age of the moon: 10.78
9/8/2022Thurs.  11.78Age of the moon: 11.78
9/9/2022Fri.  12.78Age of the moon: 12.78
9/10/2022Sat.  13.78Age of the moon: 13.78
9/11/2022Sun.  14.78Age of the moon: 14.78
9/12/2022Mon.  15.78Age of the moon: 15.78
9/13/2022Tues.  16.78Age of the moon: 16.78
9/14/2022Wed.  17.78Age of the moon: 17.78
9/15/2022Thurs.  18.78Age of the moon: 18.78
9/16/2022Fri.  19.78Age of the moon: 19.78
9/17/2022Sat.  20.78Age of the moon: 20.78
9/18/2022Sun.  21.78Age of the moon: 21.78
9/19/2022Mon.  22.78Age of the moon: 22.78
9/20/2022Tues.  23.78Age of the moon: 23.78
9/21/2022Wed.  24.78Age of the moon: 24.78
9/22/2022Thurs.  25.78Age of the moon: 25.78
9/23/2022Fri.  26.78Age of the moon: 26.78
9/24/2022Sat.  27.78Age of the moon: 27.78
9/25/2022Sun.  28.78Age of the moon: 28.78
9/26/2022Mon.  0.2Age of the moon: 0.2
9/27/2022Tues.  1.2Age of the moon: 1.2
9/28/2022Wed.  2.2Age of the moon: 2.2
9/29/2022Thurs.  3.2Age of the moon: 3.2
9/30/2022Fri.  4.2Age of the moon: 4.2