"Tue, 27 Aug 2024 21:35:45"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240827
Only TIME
21:35:45
General datetime
2024-08-27 21:35:45Z
For Database
2024-08-27 21:35:45
For HTTP1.1
Tue, 27 Aug 2024 21:35:45 GMT