"Wed, 21 Aug 2024 21:09:02"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240821
Only TIME
21:09:02
General datetime
2024-08-21 21:09:02Z
For Database
2024-08-21 21:09:02
For HTTP1.1
Wed, 21 Aug 2024 21:09:02 GMT