"Sat, 17 Aug 2024 19:21:12"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240817
Only TIME
19:21:12
General datetime
2024-08-17 19:21:12Z
For Database
2024-08-17 19:21:12
For HTTP1.1
Sat, 17 Aug 2024 19:21:12 GMT