"Fri, 20 Sep 2024 23:54:04"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240920
Only TIME
23:54:04
General datetime
2024-09-20 23:54:04Z
For Database
2024-09-20 23:54:04
For HTTP1.1
Fri, 20 Sep 2024 23:54:04 GMT