"Mon, 09 Dec 2024 18:14:13"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241209
Only TIME
18:14:13
General datetime
2024-12-09 18:14:13Z
For Database
2024-12-09 18:14:13
For HTTP1.1
Mon, 09 Dec 2024 18:14:13 GMT