"Tue, 20 Aug 2024 21:05:17"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240820
Only TIME
21:05:17
General datetime
2024-08-20 21:05:17Z
For Database
2024-08-20 21:05:17
For HTTP1.1
Tue, 20 Aug 2024 21:05:17 GMT