"Mon, 21 Oct 2024 20:45:57"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241021
Only TIME
20:45:57
General datetime
2024-10-21 20:45:57Z
For Database
2024-10-21 20:45:57
For HTTP1.1
Mon, 21 Oct 2024 20:45:57 GMT