"Mon, 21 Oct 2024 11:15:17"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241021
Only TIME
11:15:17
General datetime
2024-10-21 11:15:17Z
For Database
2024-10-21 11:15:17
For HTTP1.1
Mon, 21 Oct 2024 11:15:17 GMT