"Mon, 21 Oct 2024 20:45:55"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241021
Only TIME
20:45:55
General datetime
2024-10-21 20:45:55Z
For Database
2024-10-21 20:45:55
For HTTP1.1
Mon, 21 Oct 2024 20:45:55 GMT