"Mon, 19 Aug 2024 11:13:11"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240819
Only TIME
11:13:11
General datetime
2024-08-19 11:13:11Z
For Database
2024-08-19 11:13:11
For HTTP1.1
Mon, 19 Aug 2024 11:13:11 GMT