"Mon, 03 Jun 2024 21:03:56"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240603
Only TIME
21:03:56
General datetime
2024-06-03 21:03:56Z
For Database
2024-06-03 21:03:56
For HTTP1.1
Mon, 03 Jun 2024 21:03:56 GMT