"Mon, 15 Jul 2024 17:20:44"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240715
Only TIME
17:20:44
General datetime
2024-07-15 17:20:44Z
For Database
2024-07-15 17:20:44
For HTTP1.1
Mon, 15 Jul 2024 17:20:44 GMT