"Thu, 20 Jun 2024 18:43:18"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240620
Only TIME
18:43:18
General datetime
2024-06-20 18:43:18Z
For Database
2024-06-20 18:43:18
For HTTP1.1
Thu, 20 Jun 2024 18:43:18 GMT