"Sat, 17 Aug 2024 21:36:56"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240817
Only TIME
21:36:56
General datetime
2024-08-17 21:36:56Z
For Database
2024-08-17 21:36:56
For HTTP1.1
Sat, 17 Aug 2024 21:36:56 GMT