"Mon, 27 May 2024 16:23:22"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240527
Only TIME
16:23:22
General datetime
2024-05-27 16:23:22Z
For Database
2024-05-27 16:23:22
For HTTP1.1
Mon, 27 May 2024 16:23:22 GMT