"Mon, 19 Aug 2024 11:26:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240819
Only TIME
11:26:15
General datetime
2024-08-19 11:26:15Z
For Database
2024-08-19 11:26:15
For HTTP1.1
Mon, 19 Aug 2024 11:26:15 GMT