"Fri, 20 Sep 2024 16:30:09"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240920
Only TIME
16:30:09
General datetime
2024-09-20 16:30:09Z
For Database
2024-09-20 16:30:09
For HTTP1.1
Fri, 20 Sep 2024 16:30:09 GMT