"Thu, 15 Aug 2024 18:31:48"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240815
Only TIME
18:31:48
General datetime
2024-08-15 18:31:48Z
For Database
2024-08-15 18:31:48
For HTTP1.1
Thu, 15 Aug 2024 18:31:48 GMT