"Wed, 21 Aug 2024 13:20:56"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240821
Only TIME
13:20:56
General datetime
2024-08-21 13:20:56Z
For Database
2024-08-21 13:20:56
For HTTP1.1
Wed, 21 Aug 2024 13:20:56 GMT