20EDT is the equal division of the third harmonic into 20 parts of 95.0978 cents each, corresponding to 12.6186 edo.

degree cents value corresponding
JI intervals
comments
0 0.0000 exact 1/1
1 95.0978
2 190.1955
3 285.2933 33/28, 13/11
4 380.3910 5/4
5 475.4888
6 570.5865 39/28
7 665.6843 22/15
8 760.7820
9 855.8798 18/11
10 950.9775 45/26, 26/15
11 1046.0753 11/6
12 1141.1730
13 1236.2708 45/22
14 1331.3685 28/13
15 1426.4663
16 1521.5640 12/5
17 1616.6618 33/13, 28/11
18 1711.7595
19 1806.8573
20 1901.9550 exact 3/1 just perfect fifth plus an octave