It’s quite common, particularly in university fundraising in the US (and to a certain extent in the UK) to see a fundraising appeal at this time of year that is basically this:
I’ve never really got it, and I’m not sure that donors get it either. What’s the point for them about your fiscal year per se?
Unless it’s the date by which you know how much money you have for scholarships? In which case, why not say that instead?
Deadlines work in fundraising, for sure. But only deadlines that a donor might conceivably care about, surely.