"Mon, 23 Sep 2024 20:20:03"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240923
Only TIME
20:20:03
General datetime
2024-09-23 20:20:03Z
For Database
2024-09-23 20:20:03
For HTTP1.1
Mon, 23 Sep 2024 20:20:03 GMT