Hmm, the author specifically put "(no spoilers in the comments, please)"
Better to rot13 or base64 so its impossible to see accidentally! :)
I got a bit stuck at the very end, because at first all I could think of was "vbafgbez".
Clicked eventually, though! :)
About the goal (ROT13): Vs lbh'er guvaxvat gur cvpgherf ner gur fnzr, V frr rknpgyl bar qvssrerapr orgjrra gurz.
I had some trouble with this puzzle until I realized there was an unstated assumption: that at least one day of rest exists between any event and the next one. (If that wasn't true there'd be a lot of potential solutions!)