"Mon, 23 Dec 2024 21:18:13"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241223
Only TIME
21:18:13
General datetime
2024-12-23 21:18:13Z
For Database
2024-12-23 21:18:13
For HTTP1.1
Mon, 23 Dec 2024 21:18:13 GMT