"Thu, 23 May 2024 20:20:11"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240523
Only TIME
20:20:11
General datetime
2024-05-23 20:20:11Z
For Database
2024-05-23 20:20:11
For HTTP1.1
Thu, 23 May 2024 20:20:11 GMT