"Mon, 27 May 2024 20:02:05"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240527
Only TIME
20:02:05
General datetime
2024-05-27 20:02:05Z
For Database
2024-05-27 20:02:05
For HTTP1.1
Mon, 27 May 2024 20:02:05 GMT