"Mon, 22 Apr 2024 20:15:17"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240422
Only TIME
20:15:17
General datetime
2024-04-22 20:15:17Z
For Database
2024-04-22 20:15:17
For HTTP1.1
Mon, 22 Apr 2024 20:15:17 GMT