how do i get the set the current time as a datenum

i need to create an app that compares the current time to a given time

Answer 1

[Arif Hoq]

t = datetime('now','TimeZone','local','Format','d-MMM-y HH:mm:ss Z')  % current time

t = datetime
   23-Feb-2022 08:25:13 +0000

datenum(t) % datenumber

ans = 7.3858e+05