"Mon, 19 Aug 2024 23:14:54"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240819
Only TIME
23:14:54
General datetime
2024-08-19 23:14:54Z
For Database
2024-08-19 23:14:54
For HTTP1.1
Mon, 19 Aug 2024 23:14:54 GMT