"Mon, 23 Dec 2024 14:18:10"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241223
Only TIME
14:18:10
General datetime
2024-12-23 14:18:10Z
For Database
2024-12-23 14:18:10
For HTTP1.1
Mon, 23 Dec 2024 14:18:10 GMT