"Fri, 20 Sep 2024 16:21:40"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240920
Only TIME
16:21:40
General datetime
2024-09-20 16:21:40Z
For Database
2024-09-20 16:21:40
For HTTP1.1
Fri, 20 Sep 2024 16:21:40 GMT