[SalesForce] Can YEAR() be used to with a DATETIME as it can with DATE [e.g. YEAR(Datetime__c)]

UPDATE

For the following format

February 2, 2013

please use:

Datetime myDatetime = Datetime.now();
String myDatetimeStr = myDatetime.format('MMMM d,  yyyy');

Im using the following functions for the timestamp:

// This method returns a whole timestamp as a string
public String timeStamp(){
    Datetime dt = Datetime.NOW();
    String day = checkLength(String.valueOf(dt.day()));
    String month = checkLength(String.valueOf(dt.month()));
    String hour = checkLength(String.valueOf(dt.hour()));
    String minute = checkLength(String.valueOf(dt.minute()));
    String second = checkLength(String.valueOf(dt.second()));

    return = String.valueOf(dt.year()) + month + day + '-' + hour + minute + second;
}

// Here i check the length of the day/month/...
// because the month() for example can return 3 for March and i want to have 03
private String checkLength(String val){
    if(String.isNotBlank(val) && val.length() == 1){
        val = '0' + val;
    }
    return val;
}

And my output looks like this then: 2013.02.08 08:30:56

Datetime objects have this date method:

date()

Returns the Date component of a Datetime in the local time zone of the context user.

so your code can use it like this:

Datetime dt = (Datetime) resultSet.get('LastModifiedDate');
sf.lastModifiedDate = dt.date();

(Generally you would need a null check in the code but as LastModifiedDate always has a value here you don't.)

So this gets you the correct Date object value. But an answer is needed to mast0r's question to cover how to get the final presentation right.