"Wed, 21 Aug 2024 13:19:14"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240821
Only TIME
13:19:14
General datetime
2024-08-21 13:19:14Z
For Database
2024-08-21 13:19:14
For HTTP1.1
Wed, 21 Aug 2024 13:19:14 GMT