"Mon, 08 Apr 2024 16:23:13"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240408
Only TIME
16:23:13
General datetime
2024-04-08 16:23:13Z
For Database
2024-04-08 16:23:13
For HTTP1.1
Mon, 08 Apr 2024 16:23:13 GMT