"Tue, 20 Aug 2024 17:20:47"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240820
Only TIME
17:20:47
General datetime
2024-08-20 17:20:47Z
For Database
2024-08-20 17:20:47
For HTTP1.1
Tue, 20 Aug 2024 17:20:47 GMT