iPhone - UIDatePicker setDate

NSCalendar * gregorian = [[[NSCalendar alloc] initWithCalendarIdentifier:NSGregorianCalendar] autorelease];

NSDateComponents * components = [[[NSDateComponents alloc] init] autorelease];

[components setYear:2012];

[components setMonth:1];

[components setDay:1];

[components setHour:10];

[components setMinute:5];

[components setSecond:30];

[datePicker setDate:[gregorian dateFromComponents: components]];