"Sat, 21 Sep 2024 23:53:22"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240921
Only TIME
23:53:22
General datetime
2024-09-21 23:53:22Z
For Database
2024-09-21 23:53:22
For HTTP1.1
Sat, 21 Sep 2024 23:53:22 GMT