I'm sure I had this but I can't find it. I'm looking for a bit of script to build a calendar that has month-end in one column and 'report month YTD' in another column. eg:
I don't understand excactly what do you try to do but here: How to use - Master-Calendar and Date-Values you will find various examples to build a master-calendar and also to implement various kinds of flagging like rolling periods, YTD/QTD/MTD, MonthEnd's and so on.