"Mon, 19 Aug 2024 13:01:01"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240819
Only TIME
13:01:01
General datetime
2024-08-19 13:01:01Z
For Database
2024-08-19 13:01:01
For HTTP1.1
Mon, 19 Aug 2024 13:01:01 GMT