"Mon, 15 Apr 2024 12:33:57"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240415
Only TIME
12:33:57
General datetime
2024-04-15 12:33:57Z
For Database
2024-04-15 12:33:57
For HTTP1.1
Mon, 15 Apr 2024 12:33:57 GMT