"Mon, 03 Jun 2024 14:37:56"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240603
Only TIME
14:37:56
General datetime
2024-06-03 14:37:56Z
For Database
2024-06-03 14:37:56
For HTTP1.1
Mon, 03 Jun 2024 14:37:56 GMT