"Fri, 20 Sep 2024 15:27:14"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240920
Only TIME
15:27:14
General datetime
2024-09-20 15:27:14Z
For Database
2024-09-20 15:27:14
For HTTP1.1
Fri, 20 Sep 2024 15:27:14 GMT