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