"Mon, 21 Oct 2024 14:49:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241021
Only TIME
14:49:15
General datetime
2024-10-21 14:49:15Z
For Database
2024-10-21 14:49:15
For HTTP1.1
Mon, 21 Oct 2024 14:49:15 GMT