"Thu, 18 Jul 2024 23:21:39"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240718
Only TIME
23:21:39
General datetime
2024-07-18 23:21:39Z
For Database
2024-07-18 23:21:39
For HTTP1.1
Thu, 18 Jul 2024 23:21:39 GMT