"Thu, 18 Jul 2024 15:39:13"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240718
Only TIME
15:39:13
General datetime
2024-07-18 15:39:13Z
For Database
2024-07-18 15:39:13
For HTTP1.1
Thu, 18 Jul 2024 15:39:13 GMT