"Mon, 24 Jun 2024 13:40:12"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240624
Only TIME
13:40:12
General datetime
2024-06-24 13:40:12Z
For Database
2024-06-24 13:40:12
For HTTP1.1
Mon, 24 Jun 2024 13:40:12 GMT