"Tue, 13 Aug 2024 18:35:56"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240813
Only TIME
18:35:56
General datetime
2024-08-13 18:35:56Z
For Database
2024-08-13 18:35:56
For HTTP1.1
Tue, 13 Aug 2024 18:35:56 GMT