"Tue, 13 Aug 2024 13:37:12"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240813
Only TIME
13:37:12
General datetime
2024-08-13 13:37:12Z
For Database
2024-08-13 13:37:12
For HTTP1.1
Tue, 13 Aug 2024 13:37:12 GMT