"Thu, 18 Jul 2024 15:38:54"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240718
Only TIME
15:38:54
General datetime
2024-07-18 15:38:54Z
For Database
2024-07-18 15:38:54
For HTTP1.1
Thu, 18 Jul 2024 15:38:54 GMT