"Mon, 19 Aug 2024 21:57:46"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240819
Only TIME
21:57:46
General datetime
2024-08-19 21:57:46Z
For Database
2024-08-19 21:57:46
For HTTP1.1
Mon, 19 Aug 2024 21:57:46 GMT