"Mon, 19 Aug 2024 08:15:45"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240819
Only TIME
08:15:45
General datetime
2024-08-19 08:15:45Z
For Database
2024-08-19 08:15:45
For HTTP1.1
Mon, 19 Aug 2024 08:15:45 GMT