"Mon, 19 Aug 2024 09:35:40"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240819
Only TIME
09:35:40
General datetime
2024-08-19 09:35:40Z
For Database
2024-08-19 09:35:40
For HTTP1.1
Mon, 19 Aug 2024 09:35:40 GMT