"Mon, 27 May 2024 12:34:32"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240527
Only TIME
12:34:32
General datetime
2024-05-27 12:34:32Z
For Database
2024-05-27 12:34:32
For HTTP1.1
Mon, 27 May 2024 12:34:32 GMT