"Thu, 21 Mar 2024 11:20:23"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240321
Only TIME
11:20:23
General datetime
2024-03-21 11:20:23Z
For Database
2024-03-21 11:20:23
For HTTP1.1
Thu, 21 Mar 2024 11:20:23 GMT