"Mon, 19 Aug 2024 23:45:03"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240819
Only TIME
23:45:03
General datetime
2024-08-19 23:45:03Z
For Database
2024-08-19 23:45:03
For HTTP1.1
Mon, 19 Aug 2024 23:45:03 GMT