2020

January

1st Point

2nd Line

3rd Triangle

4th Square

5th Pentagon

6th Hexagon

7th Heptagon

8th Octagon

9th Enneagon

10th Decagon

11th Hendecagon

12th Dodecagon

13th Tridecagon

14th Tetradecagon

15th Pentadecagon

16th Hexadecagon

17th Heptadecagon

18th Octadecagon

19th Enneadecagon

20th Icosagon

21st Icosihenagon

22nd Icosidigon

23rd Icositrigon

24th Icositetragon

25th Pentaicosagon

26th Hexaicosagon

27th Heptaicosagon

28th Octaicosagon

2nd

29th (leap!)

February

1st

2nd

3rd

4th

5th