"Mon, 27 May 2024 13:31:37"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240527
Only TIME
13:31:37
General datetime
2024-05-27 13:31:37Z
For Database
2024-05-27 13:31:37
For HTTP1.1
Mon, 27 May 2024 13:31:37 GMT