"Mon, 15 Jul 2024 14:38:32"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240715
Only TIME
14:38:32
General datetime
2024-07-15 14:38:32Z
For Database
2024-07-15 14:38:32
For HTTP1.1
Mon, 15 Jul 2024 14:38:32 GMT