"Mon, 15 Jul 2024 08:45:59"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240715
Only TIME
08:45:59
General datetime
2024-07-15 08:45:59Z
For Database
2024-07-15 08:45:59
For HTTP1.1
Mon, 15 Jul 2024 08:45:59 GMT