"Mon, 16 Dec 2024 18:54:14"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241216
Only TIME
18:54:14
General datetime
2024-12-16 18:54:14Z
For Database
2024-12-16 18:54:14
For HTTP1.1
Mon, 16 Dec 2024 18:54:14 GMT