"Mon, 27 May 2024 14:58:54"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240527
Only TIME
14:58:54
General datetime
2024-05-27 14:58:54Z
For Database
2024-05-27 14:58:54
For HTTP1.1
Mon, 27 May 2024 14:58:54 GMT