"Mon, 24 Jun 2024 17:15:02"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240624
Only TIME
17:15:02
General datetime
2024-06-24 17:15:02Z
For Database
2024-06-24 17:15:02
For HTTP1.1
Mon, 24 Jun 2024 17:15:02 GMT