This tool will help you calculate the value to use for changing the time of year on your Wurm Unlimited server. View the Wurm Online Wiki for calendar references.
Month: Diamond Saw Digging Leaf Bear Snake White Fire Raven Dancer Omen Silent
Day: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
Years to add: 0 1 2 3 4 5 6 7 8 9 10
(Applies to both calculations.)