"Fri, 20 Dec 2024 14:15:13"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241220
Only TIME
14:15:13
General datetime
2024-12-20 14:15:13Z
For Database
2024-12-20 14:15:13
For HTTP1.1
Fri, 20 Dec 2024 14:15:13 GMT