"Mon, 27 May 2024 12:33:14"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240527
Only TIME
12:33:14
General datetime
2024-05-27 12:33:14Z
For Database
2024-05-27 12:33:14
For HTTP1.1
Mon, 27 May 2024 12:33:14 GMT