"Mon, 21 Oct 2024 14:44:39"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241021
Only TIME
14:44:39
General datetime
2024-10-21 14:44:39Z
For Database
2024-10-21 14:44:39
For HTTP1.1
Mon, 21 Oct 2024 14:44:39 GMT