"Mon, 24 Jun 2024 23:21:13"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240624
Only TIME
23:21:13
General datetime
2024-06-24 23:21:13Z
For Database
2024-06-24 23:21:13
For HTTP1.1
Mon, 24 Jun 2024 23:21:13 GMT