"Mon, 19 Aug 2024 04:52:31"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240819
Only TIME
04:52:31
General datetime
2024-08-19 04:52:31Z
For Database
2024-08-19 04:52:31
For HTTP1.1
Mon, 19 Aug 2024 04:52:31 GMT