"Mon, 19 Feb 2024 11:19:48"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240219
Only TIME
11:19:48
General datetime
2024-02-19 11:19:48Z
For Database
2024-02-19 11:19:48
For HTTP1.1
Mon, 19 Feb 2024 11:19:48 GMT