"Fri, 27 Sep 2024 20:21:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240927
Only TIME
20:21:20
General datetime
2024-09-27 20:21:20Z
For Database
2024-09-27 20:21:20
For HTTP1.1
Fri, 27 Sep 2024 20:21:20 GMT