"Mon, 23 Sep 2024 20:44:34"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240923
Only TIME
20:44:34
General datetime
2024-09-23 20:44:34Z
For Database
2024-09-23 20:44:34
For HTTP1.1
Mon, 23 Sep 2024 20:44:34 GMT