"Wed, 18 Sep 2024 19:27:31"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240918
Only TIME
19:27:31
General datetime
2024-09-18 19:27:31Z
For Database
2024-09-18 19:27:31
For HTTP1.1
Wed, 18 Sep 2024 19:27:31 GMT