"Wed, 21 Aug 2024 21:31:19"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240821
Only TIME
21:31:19
General datetime
2024-08-21 21:31:19Z
For Database
2024-08-21 21:31:19
For HTTP1.1
Wed, 21 Aug 2024 21:31:19 GMT