"Mon, 15 Jul 2024 21:25:24"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240715
Only TIME
21:25:24
General datetime
2024-07-15 21:25:24Z
For Database
2024-07-15 21:25:24
For HTTP1.1
Mon, 15 Jul 2024 21:25:24 GMT