"Mon, 12 Aug 2024 15:33:57"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240812
Only TIME
15:33:57
General datetime
2024-08-12 15:33:57Z
For Database
2024-08-12 15:33:57
For HTTP1.1
Mon, 12 Aug 2024 15:33:57 GMT