"Mon, 24 Jun 2024 08:37:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240624
Only TIME
08:37:15
General datetime
2024-06-24 08:37:15Z
For Database
2024-06-24 08:37:15
For HTTP1.1
Mon, 24 Jun 2024 08:37:15 GMT