"Fri, 31 May 2024 20:21:14"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240531
Only TIME
20:21:14
General datetime
2024-05-31 20:21:14Z
For Database
2024-05-31 20:21:14
For HTTP1.1
Fri, 31 May 2024 20:21:14 GMT