"Mon, 24 Jun 2024 13:21:33"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240624
Only TIME
13:21:33
General datetime
2024-06-24 13:21:33Z
For Database
2024-06-24 13:21:33
For HTTP1.1
Mon, 24 Jun 2024 13:21:33 GMT