"Mon, 24 Jun 2024 18:35:40"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240624
Only TIME
18:35:40
General datetime
2024-06-24 18:35:40Z
For Database
2024-06-24 18:35:40
For HTTP1.1
Mon, 24 Jun 2024 18:35:40 GMT