"Mon, 17 Jun 2024 12:56:42"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240617
Only TIME
12:56:42
General datetime
2024-06-17 12:56:42Z
For Database
2024-06-17 12:56:42
For HTTP1.1
Mon, 17 Jun 2024 12:56:42 GMT