"Fri, 20 Sep 2024 20:38:35"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240920
Only TIME
20:38:35
General datetime
2024-09-20 20:38:35Z
For Database
2024-09-20 20:38:35
For HTTP1.1
Fri, 20 Sep 2024 20:38:35 GMT