"Mon, 09 Dec 2024 14:45:38"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241209
Only TIME
14:45:38
General datetime
2024-12-09 14:45:38Z
For Database
2024-12-09 14:45:38
For HTTP1.1
Mon, 09 Dec 2024 14:45:38 GMT