"Mon, 27 May 2024 10:59:18"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240527
Only TIME
10:59:18
General datetime
2024-05-27 10:59:18Z
For Database
2024-05-27 10:59:18
For HTTP1.1
Mon, 27 May 2024 10:59:18 GMT