"Mon, 17 Jun 2024 08:43:54"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240617
Only TIME
08:43:54
General datetime
2024-06-17 08:43:54Z
For Database
2024-06-17 08:43:54
For HTTP1.1
Mon, 17 Jun 2024 08:43:54 GMT