"Thu, 21 Mar 2024 11:21:13"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240321
Only TIME
11:21:13
General datetime
2024-03-21 11:21:13Z
For Database
2024-03-21 11:21:13
For HTTP1.1
Thu, 21 Mar 2024 11:21:13 GMT