"Tue, 13 Aug 2024 17:45:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240813
Only TIME
17:45:15
General datetime
2024-08-13 17:45:15Z
For Database
2024-08-13 17:45:15
For HTTP1.1
Tue, 13 Aug 2024 17:45:15 GMT