"Mon, 21 Oct 2024 19:18:42"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241021
Only TIME
19:18:42
General datetime
2024-10-21 19:18:42Z
For Database
2024-10-21 19:18:42
For HTTP1.1
Mon, 21 Oct 2024 19:18:42 GMT