"Mon, 15 Apr 2024 11:20:44"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240415
Only TIME
11:20:44
General datetime
2024-04-15 11:20:44Z
For Database
2024-04-15 11:20:44
For HTTP1.1
Mon, 15 Apr 2024 11:20:44 GMT