"Thu, 20 Jun 2024 18:35:38"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240620
Only TIME
18:35:38
General datetime
2024-06-20 18:35:38Z
For Database
2024-06-20 18:35:38
For HTTP1.1
Thu, 20 Jun 2024 18:35:38 GMT