"Thu, 20 Jun 2024 18:54:14"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240620
Only TIME
18:54:14
General datetime
2024-06-20 18:54:14Z
For Database
2024-06-20 18:54:14
For HTTP1.1
Thu, 20 Jun 2024 18:54:14 GMT