Spreadsheet: 45038d1243840043-add-and-subtract-time-eot2
Sheet: Sheet1

 | Equation of time (EoT)
 |  |  |  | minus = slow
 | Jan |  | Feb |  | Mar |  | Apr |  | May |  | Jun |  | Jul |  | Aug |  | Sep |  | Oct |  | Nov |  | Dec
DAY | min | sec | min | sec | min | sec | min | sec | min | sec | min | sec | min | sec | min | sec | min | sec | min | sec | min | sec | min | sec
1 | -3 | -12 | -13 | -33 | -12 | -34 | -4 | -8 | 2 | 51 | 2 | 25 | -3 | -33 | -6 | -16 | 0 | -12 | 10 | 5 | 16 | 20 | 11 | 11
2 | -3 | -40 | -13 | -41 | -12 | -23 | -3 | -50 | 2 | 59 | 2 | 16 | -3 | -45 | -6 | -13 | 0 | 7 | 10 | 24 | 16 | 22 | 10 | 49
3 | -4 | -8 | -13 | -48 | -12 | -11 | -3 | -32 | 3 | 6 | 2 | 6 | -3 | -57 | -6 | -9 | 0 | 26 | 10 | 43 | 16 | 23 | 10 | 26
4 | -4 | -36 | -14 | -55 | -11 | -58 | -3 | -14 | 3 | 12 | 1 | 56 | -4 | -8 | -6 | -4 | 0 | 45 | 11 | 2 | 16 | 23 | 10 | 2
5 | -5 | -3 | -14 | -1 | -11 | -45 | -2 | -57 | 3 | 18 | 1 | 46 | -4 | -19 | -5 | -59 | 1 | 5 | 11 | 20 | 16 | 22 | 9 | 38
6 | -5 | -30 | -14 | -6 | -11 | -31 | -2 | -40 | 3 | 23 | 1 | 36 | -4 | -29 | -5 | -53 | 1 | 25 | 11 | 38 | 16 | 20 | 9 | 13
7 | -5 | -57 | -14 | -10 | -11 | -17 | -2 | -23 | 3 | 27 | 1 | 25 | -4 | -39 | -5 | -46 | 1 | 45 | 11 | 56 | 16 | 18 | 8 | 48
8 | -6 | -23 | -14 | -14 | -11 | -3 | -2 | -6 | 3 | 31 | 1 | 14 | -4 | -49 | -5 | -39 | 2 | 5 | 12 | 13 | 16 | 15 | 8 | 22
9 | -6 | -49 | -14 | -16 | -10 | -48 | -1 | -49 | 3 | 35 | 1 | 3 | -4 | -58 | -5 | -31 | 2 | 26 | 12 | 30 | 16 | 11 | 7 | 56
10 | -7 | -14 | -14 | -18 | -10 | -33 | -1 | -32 | 3 | 38 | 0 | 51 | -5 | -7 | -5 | -23 | 2 | 47 | 12 | 46 | 16 | 6 | 7 | 29
11 | -7 | -38 | -14 | -19 | -10 | -18 | -1 | -16 | 3 | 40 | 0 | 39 | -5 | -16 | -5 | -14 | 3 | 8 | 13 | 2 | 16 | 0 | 7 | 2
12 | -8 | -2 | -14 | -20 | -10 | -2 | -1 | 0 | 3 | 42 | 0 | 27 | -5 | -24 | -5 | -5 | 3 | 29 | 13 | 18 | 15 | 53 | 6 | 34
13 | -8 | -25 | -14 | -19 | -9 | -46 | 0 | -44 | 3 | 44 | 0 | 15 | -5 | -32 | -4 | -55 | 3 | 50 | 13 | 33 | 15 | 46 | 6 | 6
14 | -8 | -48 | -14 | -18 | -9 | -30 | 0 | -29 | 3 | 44 | 0 | 3 | -5 | -39 | -4 | -44 | 4 | 11 | 13 | 47 | 15 | 37 | 5 | 38
15 | -9 | -10 | -14 | -16 | -9 | -13 | 0 | -14 | 3 | 44 | 0 | -10 | -5 | -46 | -4 | -33 | 4 | 32 | 14 | 1 | 15 | 28 | 5 | 9
16 | -9 | -32 | -14 | -13 | -8 | -56 | 0 | 1 | 3 | 44 | 0 | -23 | -5 | -52 | -4 | -21 | 4 | 53 | 14 | 14 | 15 | 18 | 4 | 40
17 | -9 | -52 | -14 | -10 | -8 | -39 | 0 | 15 | 3 | 43 | 0 | -36 | -5 | -58 | -4 | -9 | 5 | 14 | 14 | 27 | 15 | 7 | 4 | 11
18 | -10 | -12 | -14 | -6 | -8 | -22 | 0 | 29 | 3 | 41 | 0 | -49 | -6 | -3 | -3 | -57 | 5 | 35 | 14 | 39 | 14 | 56 | 3 | 42
19 | -10 | -32 | -14 | -1 | -8 | -4 | 0 | 43 | 3 | 39 | -1 | -2 | -6 | -8 | -3 | -44 | 5 | 56 | 14 | 51 | 14 | 43 | 3 | 13
20 | -10 | -50 | -13 | -55 | -7 | -46 | 0 | 56 | 3 | 37 | -1 | -15 | -6 | -12 | -3 | -30 | 6 | 18 | 15 | 2 | 14 | 30 | 2 | 43
21 | -11 | -8 | -13 | -49 | -7 | -28 | 1 | 0 | 3 | 34 | -1 | -28 | -6 | -15 | -3 | -16 | 6 | 40 | 15 | 12 | 14 | 16 | 2 | 13
22 | -11 | -25 | -13 | -42 | -7 | -10 | 1 | 21 | 3 | 30 | -1 | -41 | -6 | -18 | -3 | -1 | 7 | 1 | 15 | 22 | 14 | 1 | 1 | 43
23 | -11 | -41 | -13 | -35 | -6 | -52 | 1 | 33 | 3 | 24 | -1 | -54 | -6 | -20 | -2 | -46 | 7 | 22 | 15 | 31 | 13 | 45 | 1 | 13
24 | -11 | -57 | -13 | -27 | -6 | -34 | 1 | 45 | 3 | 21 | -2 | -7 | -6 | -22 | -2 | -30 | 7 | 43 | 15 | 40 | 13 | 28 | 0 | 43
25 | -12 | -12 | -13 | -18 | -6 | -16 | 1 | 56 | 3 | 16 | -2 | -20 | -6 | -24 | -2 | -14 | 8 | 4 | 15 | 47 | 13 | 11 | 0 | 13
26 | -12 | -26 | -13 | -9 | -5 | -58 | 2 | 6 | 3 | 10 | -2 | -33 | -6 | -25 | -1 | -58 | 8 | 25 | 15 | 54 | 12 | 53 | 0 | -17
27 | -12 | -39 | -13 | -59 | -5 | -40 | 2 | 16 | 3 | 3 | -2 | -45 | -6 | -25 | -1 | -41 | 8 | 46 | 16 | 1 | 12 | 34 | 0 | -47
28 | -12 | -51 | -13 | -48 | -5 | -21 | 2 | 26 | 2 | 56 | -2 | -57 | -6 | -24 | -1 | -24 | 9 | 6 | 16 | 6 | 12 | 14 | -1 | -16
29 | -13 | -3 | -13 | -42 | -5 | -2 | 2 | 35 | 2 | 49 | -3 | -9 | -6 | -23 | -1 | -7 | 9 | 26 | 16 | 11 | 11 | 54 | -2 | -14
30 | -13 | -14 | x |  | -4 | -44 | 2 | 43 | 2 | 41 | -3 | -21 | -6 | -21 | 0 | -49 | 9 | 46 | 16 | 15 | 11 | 33 | -2 | -43
31 | -13 | -24 | x |  | -4 | -26 | x | x | 2 | 33 | x | x | -6 | -19 | 0 | -31 |  | x | 16 | 18 | x | x