"Wed, 21 Aug 2024 13:45:35"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240821
Only TIME
13:45:35
General datetime
2024-08-21 13:45:35Z
For Database
2024-08-21 13:45:35
For HTTP1.1
Wed, 21 Aug 2024 13:45:35 GMT