"Mon, 23 Dec 2024 09:39:43"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241223
Only TIME
09:39:43
General datetime
2024-12-23 09:39:43Z
For Database
2024-12-23 09:39:43
For HTTP1.1
Mon, 23 Dec 2024 09:39:43 GMT