"Mon, 06 May 2024 14:37:48"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240506
Only TIME
14:37:48
General datetime
2024-05-06 14:37:48Z
For Database
2024-05-06 14:37:48
For HTTP1.1
Mon, 06 May 2024 14:37:48 GMT