"Mon, 15 Jul 2024 10:45:13"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240715
Only TIME
10:45:13
General datetime
2024-07-15 10:45:13Z
For Database
2024-07-15 10:45:13
For HTTP1.1
Mon, 15 Jul 2024 10:45:13 GMT