"Sat, 14 Sep 2024 21:45:38"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240914
Only TIME
21:45:38
General datetime
2024-09-14 21:45:38Z
For Database
2024-09-14 21:45:38
For HTTP1.1
Sat, 14 Sep 2024 21:45:38 GMT