"Thu, 20 Jun 2024 16:15:31"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240620
Only TIME
16:15:31
General datetime
2024-06-20 16:15:31Z
For Database
2024-06-20 16:15:31
For HTTP1.1
Thu, 20 Jun 2024 16:15:31 GMT