"Mon, 23 Dec 2024 12:54:44"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241223
Only TIME
12:54:44
General datetime
2024-12-23 12:54:44Z
For Database
2024-12-23 12:54:44
For HTTP1.1
Mon, 23 Dec 2024 12:54:44 GMT