"Mon, 23 Dec 2024 21:55:10"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241223
Only TIME
21:55:10
General datetime
2024-12-23 21:55:10Z
For Database
2024-12-23 21:55:10
For HTTP1.1
Mon, 23 Dec 2024 21:55:10 GMT