"Mon, 27 May 2024 13:21:53"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240527
Only TIME
13:21:53
General datetime
2024-05-27 13:21:53Z
For Database
2024-05-27 13:21:53
For HTTP1.1
Mon, 27 May 2024 13:21:53 GMT