"Mon, 19 Aug 2024 05:51:12"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240819
Only TIME
05:51:12
General datetime
2024-08-19 05:51:12Z
For Database
2024-08-19 05:51:12
For HTTP1.1
Mon, 19 Aug 2024 05:51:12 GMT