diff --git a/projects/common-map/src/fm-map/common-map.module.ts b/projects/common-map/src/fm-map/common-map.module.ts
index 055d45b..dfd2cfb 100644
--- a/projects/common-map/src/fm-map/common-map.module.ts
+++ b/projects/common-map/src/fm-map/common-map.module.ts
@@ -58,6 +58,7 @@ import { LayerVectorImageComponent } from './components/aol/layer-vector-image/l
 import {FeatureIconService} from './services/feature-icon.service';
 import { GeolocationService } from './services/geolocation.service';
 import {DeviceOrientationService} from './services/device-orientation.service';
+import { TemporalService} from './services/temporal.service';
 import { WidgetStatusComponent } from './components/widget-status/widget-status.component';
 import { ForChild} from './components/for-item/for-child.decorator';
 import {ForItemType } from './components/for-item/for-itemtype.decorator';
@@ -139,6 +140,7 @@ export {
   FeatureIconService,
   GeolocationService,
   DeviceOrientationService,
+  TemporalService,
   IMapState,
   ISelectedFeatures,
   IItemLayer,
@@ -265,6 +267,7 @@ export {
     FeatureIconService,
     GeolocationService,
     DeviceOrientationService,
+    TemporalService,
     { provide: AbstractFeatureListComponent, useClass: FeatureListCroppingschemeComponent, multi: true },
     { provide: AbstractFeatureListComponent, useClass: FeatureListCropfieldComponent, multi: true },
     { provide: AbstractFeatureListFeatureComponent, useClass: FeatureListFeatureComponent, multi: true },
diff --git a/projects/common-map/src/fm-map/components/selected-item-temporal/selected-item-temporal.component.html b/projects/common-map/src/fm-map/components/selected-item-temporal/selected-item-temporal.component.html
index 6ac2c0f..49d084c 100644
--- a/projects/common-map/src/fm-map/components/selected-item-temporal/selected-item-temporal.component.html
+++ b/projects/common-map/src/fm-map/components/selected-item-temporal/selected-item-temporal.component.html
@@ -9,16 +9,16 @@
       </div>
       <div class="legend-container" *ngIf="item?.data.layers;let layers">
         <div class="card menu-card">
-          <h5><span i18n>Date</span>: {{selectedDate()}}</h5>
+          <h5><span i18n>Date</span>: {{temporalService.selectedDate(itemLayer)}}</h5>
           <div class="d-flex justify-content-between">
             <div>
-              <button  *ngIf="hasPrevious()" type="button" class="btn btn-link p-0" (click)="handlePreviousTemporal($event)">
-                <i class="fal fa-arrow-circle-left" aria-hidden="true" i18n-title title="Previous"></i>&nbsp;{{ previousDate() }}
+              <button  *ngIf="temporalService.hasPrevious(itemLayer)" type="button" class="btn btn-link p-0" (click)="handlePreviousTemporal($event)">
+                <i class="fal fa-arrow-circle-left" aria-hidden="true" i18n-title title="Previous"></i>&nbsp;{{ temporalService.previousDate(itemLayer) }}
               </button>
             </div>
             <div>
-              <button  *ngIf="hasNext()" type="button" class="btn btn-link p-0" (click)="handleNextTemporal($event)">
-                {{ nextDate()}}&nbsp;<i class="fal fa-arrow-circle-right" aria-hidden="true" i18n-title title="Next"></i>
+              <button  *ngIf="temporalService.hasNext(itemLayer)" type="button" class="btn btn-link p-0" (click)="handleNextTemporal($event)">
+                {{ temporalService.nextDate(itemLayer)}}&nbsp;<i class="fal fa-arrow-circle-right" aria-hidden="true" i18n-title title="Next"></i>
               </button>
             </div>
           </div>
diff --git a/projects/common-map/src/fm-map/components/selected-item-temporal/selected-item-temporal.component.ts b/projects/common-map/src/fm-map/components/selected-item-temporal/selected-item-temporal.component.ts
index 39f60da..36e85d9 100644
--- a/projects/common-map/src/fm-map/components/selected-item-temporal/selected-item-temporal.component.ts
+++ b/projects/common-map/src/fm-map/components/selected-item-temporal/selected-item-temporal.component.ts
@@ -1,14 +1,15 @@
 import { Component, Injectable } from '@angular/core';
-import { Location,DatePipe } from '@angular/common';
+import { Location } from '@angular/common';
 import { Store } from '@ngrx/store';
 import * as mapReducers from '../../reducers/map.reducer';
-import { commonReducers, ItemTypeService, ItemService, FolderService,IItem,TimespanService } from '@farmmaps/common';
+import { commonReducers, ItemTypeService, IItem } from '@farmmaps/common';
 import { Router } from '@angular/router';
 import { ForItemType } from '../for-item/for-itemtype.decorator';
 import { AbstractSelectedItemComponent } from '../selected-item/selected-item.component';
 import { ITemporalItemLayer} from '../../models/item.layer';
 import * as mapActions from '../../actions/map.actions';
 import { IItemLayer } from '../../models/item.layer';
+import {TemporalService} from '../../services/temporal.service';
 
 
 @ForItemType("vnd.farmmaps.itemtype.temporal")
@@ -20,7 +21,7 @@ import { IItemLayer } from '../../models/item.layer';
 })
 export class SelectedItemTemporalComponent extends AbstractSelectedItemComponent {
 
-  constructor(store: Store<mapReducers.State | commonReducers.State>, itemTypeService: ItemTypeService, location: Location, router: Router, private itemService$: ItemService,private folderService$: FolderService, private timespanService$:TimespanService,private datePipe$: DatePipe) {
+  constructor(store: Store<mapReducers.State | commonReducers.State>, itemTypeService: ItemTypeService, location: Location, router: Router,public temporalService:TemporalService) {
     super(store, itemTypeService,location,router);
   }
 
@@ -32,60 +33,7 @@ export class SelectedItemTemporalComponent extends AbstractSelectedItemComponent
     return  (this.itemLayer as ITemporalItemLayer)?.selectedItemLayer
   }
 
-  hasNext():boolean {
-    let temporalItemLayer = this.itemLayer as  ITemporalItemLayer;
-    return temporalItemLayer && temporalItemLayer.nextItemLayer != null;
-  }
-
-  selectedDate():string {
-    let temporalItemLayer = this.itemLayer as  ITemporalItemLayer;
-    if(temporalItemLayer.selectedItemLayer) {
-      if(temporalItemLayer.selectedItemLayer.item.dataDate && temporalItemLayer.selectedItemLayer.item.dataEndDate) {
-        let sd = new Date(Date.parse(temporalItemLayer.selectedItemLayer.item.dataDate));
-        let ed = new Date(Date.parse(temporalItemLayer.selectedItemLayer.item.dataEndDate));
-        return this.timespanService$.getCaption(sd,ed);
-      } else {
-        let d = new Date(Date.parse(temporalItemLayer.selectedItemLayer.item.dataDate));
-        return this.datePipe$.transform(d, "shortDate");  
-      }
-    }
-    return "";
-  }
-
-  nextDate():string {
-    let temporalItemLayer = this.itemLayer as  ITemporalItemLayer;
-    if(temporalItemLayer.nextItemLayer.item) {
-      if(temporalItemLayer.nextItemLayer.item.dataDate && temporalItemLayer.nextItemLayer.item.dataEndDate) {
-        let sd = new Date(Date.parse(temporalItemLayer.nextItemLayer.item.dataDate));
-        let ed = new Date(Date.parse(temporalItemLayer.nextItemLayer.item.dataEndDate));
-        return this.timespanService$.getCaption(sd,ed);
-      } else {
-        let d = new Date(Date.parse(temporalItemLayer.nextItemLayer.item.dataDate));
-        return this.datePipe$.transform(d, "shortDate");  
-      }
-    }
-    return "";
-  }
-
-  hasPrevious():boolean {
-    let temporalItemLayer = this.itemLayer as  ITemporalItemLayer;
-    return temporalItemLayer && temporalItemLayer.previousItemLayer != null;
-  }
-
-  previousDate():string {
-    let temporalItemLayer = this.itemLayer as  ITemporalItemLayer;
-    if(temporalItemLayer.previousItemLayer.item)  {
-      if(temporalItemLayer.previousItemLayer.item.dataDate && temporalItemLayer.previousItemLayer.item.dataEndDate) {
-        let sd = new Date(Date.parse(temporalItemLayer.previousItemLayer.item.dataDate));
-        let ed = new Date(Date.parse(temporalItemLayer.previousItemLayer.item.dataEndDate));
-        return this.timespanService$.getCaption(sd,ed);
-      } else {
-        let d = new Date(Date.parse(temporalItemLayer.previousItemLayer.item.dataDate));
-        return this.datePipe$.transform(d, "shortDate");  
-      }
-    }
-    return "";
-  }
+  
 
   handleNextTemporal(event:MouseEvent) {
     this.store.dispatch(new mapActions.NextTemporal());
diff --git a/projects/common-map/src/fm-map/services/temporal.service.ts b/projects/common-map/src/fm-map/services/temporal.service.ts
new file mode 100644
index 0000000..457c937
--- /dev/null
+++ b/projects/common-map/src/fm-map/services/temporal.service.ts
@@ -0,0 +1,65 @@
+import { Injectable} from '@angular/core';
+import {DatePipe} from '@angular/common';
+import {TimespanService} from '@farmmaps/common';
+import { IItemLayer, ITemporalItemLayer,TemporalItemLayer} from '../models/item.layer';
+
+
+@Injectable()
+export class TemporalService {   
+    constructor(private timespanService$:TimespanService,private datePipe$: DatePipe) {}
+
+    hasNext(itemLayer:IItemLayer):boolean {
+        let temporalItemLayer = itemLayer as  ITemporalItemLayer;
+        return temporalItemLayer && temporalItemLayer.nextItemLayer != null;
+      }
+    
+      selectedDate(itemLayer:IItemLayer):string {
+        let temporalItemLayer = itemLayer as  ITemporalItemLayer;
+        if(temporalItemLayer.selectedItemLayer) {
+          if(temporalItemLayer.selectedItemLayer.item.dataDate && temporalItemLayer.selectedItemLayer.item.dataEndDate) {
+            let sd = new Date(Date.parse(temporalItemLayer.selectedItemLayer.item.dataDate));
+            let ed = new Date(Date.parse(temporalItemLayer.selectedItemLayer.item.dataEndDate));
+            return this.timespanService$.getCaption(sd,ed);
+          } else {
+            let d = new Date(Date.parse(temporalItemLayer.selectedItemLayer.item.dataDate));
+            return this.datePipe$.transform(d, "shortDate");  
+          }
+        }
+        return "";
+      }
+    
+      nextDate(itemLayer:IItemLayer):string {
+        let temporalItemLayer = itemLayer as  ITemporalItemLayer;
+        if(temporalItemLayer.nextItemLayer.item) {
+          if(temporalItemLayer.nextItemLayer.item.dataDate && temporalItemLayer.nextItemLayer.item.dataEndDate) {
+            let sd = new Date(Date.parse(temporalItemLayer.nextItemLayer.item.dataDate));
+            let ed = new Date(Date.parse(temporalItemLayer.nextItemLayer.item.dataEndDate));
+            return this.timespanService$.getCaption(sd,ed);
+          } else {
+            let d = new Date(Date.parse(temporalItemLayer.nextItemLayer.item.dataDate));
+            return this.datePipe$.transform(d, "shortDate");  
+          }
+        }
+        return "";
+      }
+    
+      hasPrevious(itemLayer:IItemLayer):boolean {
+        let temporalItemLayer = itemLayer as  ITemporalItemLayer;
+        return temporalItemLayer && temporalItemLayer.previousItemLayer != null;
+      }
+    
+      previousDate(itemLayer:IItemLayer):string {
+        let temporalItemLayer = itemLayer as  ITemporalItemLayer;
+        if(temporalItemLayer.previousItemLayer.item)  {
+          if(temporalItemLayer.previousItemLayer.item.dataDate && temporalItemLayer.previousItemLayer.item.dataEndDate) {
+            let sd = new Date(Date.parse(temporalItemLayer.previousItemLayer.item.dataDate));
+            let ed = new Date(Date.parse(temporalItemLayer.previousItemLayer.item.dataEndDate));
+            return this.timespanService$.getCaption(sd,ed);
+          } else {
+            let d = new Date(Date.parse(temporalItemLayer.previousItemLayer.item.dataDate));
+            return this.datePipe$.transform(d, "shortDate");  
+          }
+        }
+        return "";
+      }
+}
\ No newline at end of file