"Mon, 24 Jun 2024 14:00:40"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240624
Only TIME
14:00:40
General datetime
2024-06-24 14:00:40Z
For Database
2024-06-24 14:00:40
For HTTP1.1
Mon, 24 Jun 2024 14:00:40 GMT