"Mon, 15 Apr 2024 22:09:39"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240415
Only TIME
22:09:39
General datetime
2024-04-15 22:09:39Z
For Database
2024-04-15 22:09:39
For HTTP1.1
Mon, 15 Apr 2024 22:09:39 GMT