"Thu, 20 Jun 2024 16:15:33"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240620
Only TIME
16:15:33
General datetime
2024-06-20 16:15:33Z
For Database
2024-06-20 16:15:33
For HTTP1.1
Thu, 20 Jun 2024 16:15:33 GMT