"Mon, 19 Aug 2024 09:49:54"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240819
Only TIME
09:49:54
General datetime
2024-08-19 09:49:54Z
For Database
2024-08-19 09:49:54
For HTTP1.1
Mon, 19 Aug 2024 09:49:54 GMT