"Tue, 20 Aug 2024 23:15:42"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240820
Only TIME
23:15:42
General datetime
2024-08-20 23:15:42Z
For Database
2024-08-20 23:15:42
For HTTP1.1
Tue, 20 Aug 2024 23:15:42 GMT