"Mon, 24 Jun 2024 22:18:38"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240624
Only TIME
22:18:38
General datetime
2024-06-24 22:18:38Z
For Database
2024-06-24 22:18:38
For HTTP1.1
Mon, 24 Jun 2024 22:18:38 GMT