"Sat, 17 Aug 2024 13:40:48"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240817
Only TIME
13:40:48
General datetime
2024-08-17 13:40:48Z
For Database
2024-08-17 13:40:48
For HTTP1.1
Sat, 17 Aug 2024 13:40:48 GMT