"Mon, 19 Aug 2024 18:34:36"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240819
Only TIME
18:34:36
General datetime
2024-08-19 18:34:36Z
For Database
2024-08-19 18:34:36
For HTTP1.1
Mon, 19 Aug 2024 18:34:36 GMT