"Mon, 05 Aug 2024 18:20:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240805
Only TIME
18:20:20
General datetime
2024-08-05 18:20:20Z
For Database
2024-08-05 18:20:20
For HTTP1.1
Mon, 05 Aug 2024 18:20:20 GMT