"Thu, 20 Jun 2024 19:40:14"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240620
Only TIME
19:40:14
General datetime
2024-06-20 19:40:14Z
For Database
2024-06-20 19:40:14
For HTTP1.1
Thu, 20 Jun 2024 19:40:14 GMT