"Mon, 09 Sep 2024 21:30:40"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240909
Only TIME
21:30:40
General datetime
2024-09-09 21:30:40Z
For Database
2024-09-09 21:30:40
For HTTP1.1
Mon, 09 Sep 2024 21:30:40 GMT