"Mon, 24 Jun 2024 11:40:56"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240624
Only TIME
11:40:56
General datetime
2024-06-24 11:40:56Z
For Database
2024-06-24 11:40:56
For HTTP1.1
Mon, 24 Jun 2024 11:40:56 GMT