Here is the translation of your text into English:
1. DateTime Numeric Type
`System.DateTime currentTime = new System.DateTime();`
1.1 Get the current year, month, day, hour, minute, and second
`currentTime = System.DateTime.Now;`
1.2 Get the current year
`int year = currentTime.Year;`
1.3 Get the current month
`int month = currentTime.Month;`