"Thu, 15 Aug 2024 18:21:31"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240815
Only TIME
18:21:31
General datetime
2024-08-15 18:21:31Z
For Database
2024-08-15 18:21:31
For HTTP1.1
Thu, 15 Aug 2024 18:21:31 GMT