"Mon, 11 Mar 2024 14:09:35"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240311
Only TIME
14:09:35
General datetime
2024-03-11 14:09:35Z
For Database
2024-03-11 14:09:35
For HTTP1.1
Mon, 11 Mar 2024 14:09:35 GMT