"Mon, 19 Aug 2024 14:09:08"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240819
Only TIME
14:09:08
General datetime
2024-08-19 14:09:08Z
For Database
2024-08-19 14:09:08
For HTTP1.1
Mon, 19 Aug 2024 14:09:08 GMT