"Thu, 18 Jul 2024 18:55:33"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240718
Only TIME
18:55:33
General datetime
2024-07-18 18:55:33Z
For Database
2024-07-18 18:55:33
For HTTP1.1
Thu, 18 Jul 2024 18:55:33 GMT