Adding a Data Refresh Time Stamp into the Title or Caption is very easy: https://kb.tableau.com/articles/HowTo/adding-data-refresh-time-stamp-to-view
However, the format is M/D/Y H:M:S am/pm, which is more detailed than I what I want in a title. I just want the date. I don't think I'm alone:Calculation within Refresh Time Stamp
I'd like a way to bring this timestamp into a calculated field so that we can use date functions to parse it.