"Fri, 20 Sep 2024 21:20:59"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240920
Only TIME
21:20:59
General datetime
2024-09-20 21:20:59Z
For Database
2024-09-20 21:20:59
For HTTP1.1
Fri, 20 Sep 2024 21:20:59 GMT