"Mon, 19 Aug 2024 21:10:45"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240819
Only TIME
21:10:45
General datetime
2024-08-19 21:10:45Z
For Database
2024-08-19 21:10:45
For HTTP1.1
Mon, 19 Aug 2024 21:10:45 GMT