"Mon, 21 Oct 2024 13:52:10"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241021
Only TIME
13:52:10
General datetime
2024-10-21 13:52:10Z
For Database
2024-10-21 13:52:10
For HTTP1.1
Mon, 21 Oct 2024 13:52:10 GMT