"Mon, 24 Jun 2024 12:45:02"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240624
Only TIME
12:45:02
General datetime
2024-06-24 12:45:02Z
For Database
2024-06-24 12:45:02
For HTTP1.1
Mon, 24 Jun 2024 12:45:02 GMT