"Fri, 20 Sep 2024 18:23:19"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240920
Only TIME
18:23:19
General datetime
2024-09-20 18:23:19Z
For Database
2024-09-20 18:23:19
For HTTP1.1
Fri, 20 Sep 2024 18:23:19 GMT