"Sun, 11 Aug 2024 21:15:56"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240811
Only TIME
21:15:56
General datetime
2024-08-11 21:15:56Z
For Database
2024-08-11 21:15:56
For HTTP1.1
Sun, 11 Aug 2024 21:15:56 GMT