距离某天还有多久

using UnityEngine;

using System.Collections;

using System;





public class test : MonoBehaviour {

    DateTime dt1;

    DateTime dt2;

    TimeSpan ts;

    public GameObject mObj;

    private UILabel mLab;

    // Use this for initialization

    void Start () {

        

     dt2 = new DateTime(2014,1,18);

     mLab = mObj.GetComponent<UILabel>();

    }

    

    // Update is called once per frame

    void Update () {

        dt1 = DateTime.Now;

        ts = dt1.Subtract(dt2);

        mLab.text = ts.ToString();

        Debug.Log(ts);

    }

}