"Mon, 08 Apr 2024 20:15:50"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240408
Only TIME
20:15:50
General datetime
2024-04-08 20:15:50Z
For Database
2024-04-08 20:15:50
For HTTP1.1
Mon, 08 Apr 2024 20:15:50 GMT