"Wed, 18 Sep 2024 20:08:31"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240918
Only TIME
20:08:31
General datetime
2024-09-18 20:08:31Z
For Database
2024-09-18 20:08:31
For HTTP1.1
Wed, 18 Sep 2024 20:08:31 GMT