"Mon, 21 Oct 2024 14:38:18"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241021
Only TIME
14:38:18
General datetime
2024-10-21 14:38:18Z
For Database
2024-10-21 14:38:18
For HTTP1.1
Mon, 21 Oct 2024 14:38:18 GMT