"Thu, 23 May 2024 14:37:50"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240523
Only TIME
14:37:50
General datetime
2024-05-23 14:37:50Z
For Database
2024-05-23 14:37:50
For HTTP1.1
Thu, 23 May 2024 14:37:50 GMT