if(empty(prop("Start")) or empty(prop("End")), toNumber(""), dateBetween(prop("End"), prop("Start"), "minutes") / 60 - 0.5)
if(contains(format(prop("Start & End")), "-"), dateBetween(end(prop("Start & End")), start(prop("Start & End")), "minutes") / 60 - 0.5, toNumber(""))
<aside> <img src="https://s3-us-west-2.amazonaws.com/secure.notion-static.com/1649d2f9-1b45-478a-86b4-341fbe27e06f/benny.png" alt="https://s3-us-west-2.amazonaws.com/secure.notion-static.com/1649d2f9-1b45-478a-86b4-341fbe27e06f/benny.png" width="40px" /> By Ben • Latest • Was this helpful? Please consider buying me a coffee. Cheers!
</aside>