"Sat, 21 Sep 2024 05:34:44"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240921
Only TIME
05:34:44
General datetime
2024-09-21 05:34:44Z
For Database
2024-09-21 05:34:44
For HTTP1.1
Sat, 21 Sep 2024 05:34:44 GMT