"Mon, 24 Jun 2024 18:15:17"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240624
Only TIME
18:15:17
General datetime
2024-06-24 18:15:17Z
For Database
2024-06-24 18:15:17
For HTTP1.1
Mon, 24 Jun 2024 18:15:17 GMT