"Mon, 09 Sep 2024 16:39:11"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240909
Only TIME
16:39:11
General datetime
2024-09-09 16:39:11Z
For Database
2024-09-09 16:39:11
For HTTP1.1
Mon, 09 Sep 2024 16:39:11 GMT