"Fri, 15 Mar 2024 20:15:41"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240315
Only TIME
20:15:41
General datetime
2024-03-15 20:15:41Z
For Database
2024-03-15 20:15:41
For HTTP1.1
Fri, 15 Mar 2024 20:15:41 GMT