"Mon, 19 Aug 2024 12:48:23"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240819
Only TIME
12:48:23
General datetime
2024-08-19 12:48:23Z
For Database
2024-08-19 12:48:23
For HTTP1.1
Mon, 19 Aug 2024 12:48:23 GMT