"Mon, 09 Sep 2024 18:31:11"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240909
Only TIME
18:31:11
General datetime
2024-09-09 18:31:11Z
For Database
2024-09-09 18:31:11
For HTTP1.1
Mon, 09 Sep 2024 18:31:11 GMT