"Fri, 20 Sep 2024 15:55:10"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240920
Only TIME
15:55:10
General datetime
2024-09-20 15:55:10Z
For Database
2024-09-20 15:55:10
For HTTP1.1
Fri, 20 Sep 2024 15:55:10 GMT