"Mon, 23 Dec 2024 21:36:08"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241223
Only TIME
21:36:08
General datetime
2024-12-23 21:36:08Z
For Database
2024-12-23 21:36:08
For HTTP1.1
Mon, 23 Dec 2024 21:36:08 GMT