How to launch Android Calendar application using Intent (Froyo)

Question

I want to open up the Calendar application from an android application. When i searched online, all i got is to create new events using intent. I could find Intents to open

Answer 1

Intent intent = new Intent(Intent.ACTION_EDIT);  
intent.setType("vnd.android.cursor.item/event");
intent.putExtra("title", "Some title");
intent.putExtra("description", "Some description");
intent.putExtra("beginTime", eventStartInMillis);
intent.putExtra("endTime", eventEndInMillis);
startActivity(intent);