"Mon, 27 May 2024 18:14:30"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240527
Only TIME
18:14:30
General datetime
2024-05-27 18:14:30Z
For Database
2024-05-27 18:14:30
For HTTP1.1
Mon, 27 May 2024 18:14:30 GMT