"Mon, 09 Dec 2024 21:35:31"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241209
Only TIME
21:35:31
General datetime
2024-12-09 21:35:31Z
For Database
2024-12-09 21:35:31
For HTTP1.1
Mon, 09 Dec 2024 21:35:31 GMT