"Mon, 09 Sep 2024 23:21:40"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240909
Only TIME
23:21:40
General datetime
2024-09-09 23:21:40Z
For Database
2024-09-09 23:21:40
For HTTP1.1
Mon, 09 Sep 2024 23:21:40 GMT