"Mon, 09 Sep 2024 18:15:23"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240909
Only TIME
18:15:23
General datetime
2024-09-09 18:15:23Z
For Database
2024-09-09 18:15:23
For HTTP1.1
Mon, 09 Sep 2024 18:15:23 GMT