"Fri, 20 Dec 2024 14:45:56"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241220
Only TIME
14:45:56
General datetime
2024-12-20 14:45:56Z
For Database
2024-12-20 14:45:56
For HTTP1.1
Fri, 20 Dec 2024 14:45:56 GMT