"Mon, 23 Sep 2024 18:30:45"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240923
Only TIME
18:30:45
General datetime
2024-09-23 18:30:45Z
For Database
2024-09-23 18:30:45
For HTTP1.1
Mon, 23 Sep 2024 18:30:45 GMT