"Mon, 16 Dec 2024 08:15:56"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241216
Only TIME
08:15:56
General datetime
2024-12-16 08:15:56Z
For Database
2024-12-16 08:15:56
For HTTP1.1
Mon, 16 Dec 2024 08:15:56 GMT