"Mon, 24 Jun 2024 16:35:36"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240624
Only TIME
16:35:36
General datetime
2024-06-24 16:35:36Z
For Database
2024-06-24 16:35:36
For HTTP1.1
Mon, 24 Jun 2024 16:35:36 GMT