PLEX for Omega Time; How much?

Math:

Year = 365 days (31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31) => (28, 4x30, 7x31);

Omega Delta = 7 (for 31 d months) - 2 (for 28 d month) = 5 days;

lol. What a Hek?