"Mon, 09 Sep 2024 21:20:09"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240909
Only TIME
21:20:09
General datetime
2024-09-09 21:20:09Z
For Database
2024-09-09 21:20:09
For HTTP1.1
Mon, 09 Sep 2024 21:20:09 GMT