"Mon, 13 May 2024 17:58:47"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240513
Only TIME
17:58:47
General datetime
2024-05-13 17:58:47Z
For Database
2024-05-13 17:58:47
For HTTP1.1
Mon, 13 May 2024 17:58:47 GMT