"Mon, 24 Jun 2024 13:27:37"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240624
Only TIME
13:27:37
General datetime
2024-06-24 13:27:37Z
For Database
2024-06-24 13:27:37
For HTTP1.1
Mon, 24 Jun 2024 13:27:37 GMT