"Mon, 20 May 2024 12:32:32"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240520
Only TIME
12:32:32
General datetime
2024-05-20 12:32:32Z
For Database
2024-05-20 12:32:32
For HTTP1.1
Mon, 20 May 2024 12:32:32 GMT