"Mon, 21 Oct 2024 13:44:38"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241021
Only TIME
13:44:38
General datetime
2024-10-21 13:44:38Z
For Database
2024-10-21 13:44:38
For HTTP1.1
Mon, 21 Oct 2024 13:44:38 GMT