"Fri, 20 Sep 2024 20:40:34"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240920
Only TIME
20:40:34
General datetime
2024-09-20 20:40:34Z
For Database
2024-09-20 20:40:34
For HTTP1.1
Fri, 20 Sep 2024 20:40:34 GMT