"Mon, 09 Sep 2024 15:15:08"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240909
Only TIME
15:15:08
General datetime
2024-09-09 15:15:08Z
For Database
2024-09-09 15:15:08
For HTTP1.1
Mon, 09 Sep 2024 15:15:08 GMT