"Fri, 20 Sep 2024 15:36:36"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240920
Only TIME
15:36:36
General datetime
2024-09-20 15:36:36Z
For Database
2024-09-20 15:36:36
For HTTP1.1
Fri, 20 Sep 2024 15:36:36 GMT