"Sun, 08 Dec 2024 21:35:31"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241208
Only TIME
21:35:31
General datetime
2024-12-08 21:35:31Z
For Database
2024-12-08 21:35:31
For HTTP1.1
Sun, 08 Dec 2024 21:35:31 GMT