Could someone create a plugin with this information?
Sequence days on HUD Message Today is (DAY) | missing (DAY) for freeday
Day 1 freeday
Day 2 Normal
Day 3 Normal
Day 4 Normal
Day 5 Normal
Day 6 Normal
Day 7 Normal
Day 8 Normal
Day 9 Normal
Day 10 Normal
Day 11 Freeday
( ... )
Day 21 Freeday
( ... )
Day 31 Freeday
( ... )
Day 41 Freeday