"Fri, 20 Sep 2024 18:42:18"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240920
Only TIME
18:42:18
General datetime
2024-09-20 18:42:18Z
For Database
2024-09-20 18:42:18
For HTTP1.1
Fri, 20 Sep 2024 18:42:18 GMT