error: ISO C++ forbids declaration of 'Time' with no type

#ifndef _TIMELL_H
 
#define _TIMELL_H
 
#include <iostream>
#include <string>
#include "Time.h"
 
using namespace std;
//class Time;
    class TimeLL
    {
    private:
        class TimeNode//Nodes with data related to class Time
        {
//          class Time;
        public:
            Time *time;
                TimeNode *next;
        TimeNode *back;
 
        TimeNode();
                 TimeNode(Time *new_time);
                 ~TimeNode();
    };
    TimeNode* head_list;
    TimeNode *tail_list;
    void AddToHead(Time* new_time);
 
    public:
    TimeLL();
    int count;
    //void AddToHead(Time* new_time);
    void AddNew(Time *s1,Time *s2);
    void Del(Time *del_t);
    void DelAll();
    Time* SearchKey(int code,string timeToDel);
    Time* SearchIndex(int place);
    ~TimeLL();
    };
    
 
 
#endif

#ifndef _TIME_H
 
#define _TIME_H
 
#include <iostream>
#include <string>
#include "Movie.h"
//#include "TimeLL.h"
using namespace std;
 
class Time
{
private:
    string hour;
    Movie* movie;
 
    public:
    Time();
    Time(string t,Movie* m);
    
    int GetMovie(){return movie->GetCode();}
    void SetTime(string c){hour = c;}
    string GetName(){return movie->GetName();}
    string GetTime(){return hour;}
    
    ~Time();
 
};
#endif