"Sat, 21 Sep 2024 20:43:50"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240921
Only TIME
20:43:50
General datetime
2024-09-21 20:43:50Z
For Database
2024-09-21 20:43:50
For HTTP1.1
Sat, 21 Sep 2024 20:43:50 GMT