"Fri, 20 Sep 2024 23:48:42"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240920
Only TIME
23:48:42
General datetime
2024-09-20 23:48:42Z
For Database
2024-09-20 23:48:42
For HTTP1.1
Fri, 20 Sep 2024 23:48:42 GMT