"Mon, 15 Jul 2024 20:36:42"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240715
Only TIME
20:36:42
General datetime
2024-07-15 20:36:42Z
For Database
2024-07-15 20:36:42
For HTTP1.1
Mon, 15 Jul 2024 20:36:42 GMT