"Mon, 27 May 2024 22:56:10"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240527
Only TIME
22:56:10
General datetime
2024-05-27 22:56:10Z
For Database
2024-05-27 22:56:10
For HTTP1.1
Mon, 27 May 2024 22:56:10 GMT