"Mon, 27 May 2024 13:21:46"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240527
Only TIME
13:21:46
General datetime
2024-05-27 13:21:46Z
For Database
2024-05-27 13:21:46
For HTTP1.1
Mon, 27 May 2024 13:21:46 GMT