"Mon, 23 Dec 2024 20:05:44"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241223
Only TIME
20:05:44
General datetime
2024-12-23 20:05:44Z
For Database
2024-12-23 20:05:44
For HTTP1.1
Mon, 23 Dec 2024 20:05:44 GMT