"Mon, 24 Jun 2024 15:34:12"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240624
Only TIME
15:34:12
General datetime
2024-06-24 15:34:12Z
For Database
2024-06-24 15:34:12
For HTTP1.1
Mon, 24 Jun 2024 15:34:12 GMT