"Mon, 19 Aug 2024 13:33:56"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240819
Only TIME
13:33:56
General datetime
2024-08-19 13:33:56Z
For Database
2024-08-19 13:33:56
For HTTP1.1
Mon, 19 Aug 2024 13:33:56 GMT