diff --git a/Sources/Earthquake Network/Models/EQNSisma.m b/Sources/Earthquake Network/Models/EQNSisma.m
index 03f33f0..dc96717 100644
--- a/Sources/Earthquake Network/Models/EQNSisma.m	
+++ b/Sources/Earthquake Network/Models/EQNSisma.m	
@@ -35,7 +35,7 @@
         self.intensity = info[@"it"];
         self.place = info[@"pl"];
         self.provider = info[@"pr"];
-        self.date = [EQNUtility getDataFromString:info[@"dt"]];
+        self.date = [EQNUtility getDateFromString:info[@"dt"]];
         self.timeDifference = [info[@"di"] doubleValue];
         
         self.magnitudeRange = info[@"mr"];
diff --git a/Sources/Earthquake Network/model/EQNPastquakes.m b/Sources/Earthquake Network/model/EQNPastquakes.m
index bb306ee..f26c283 100644
--- a/Sources/Earthquake Network/model/EQNPastquakes.m	
+++ b/Sources/Earthquake Network/model/EQNPastquakes.m	
@@ -20,7 +20,7 @@
         _users = info[@"users"];
         _state = info[@"state"];
         _code = info[@"code"];
-        _date = [EQNUtility getDataFromString:info[@"date"]];
+        _date = [EQNUtility getDateFromString:info[@"date"]];
         _differencePas = info[@"difference"];
         _intensity = info[@"intensity"];
     }
diff --git a/Sources/Earthquake Network/model/EQNSegnalazione.m b/Sources/Earthquake Network/model/EQNSegnalazione.m
index d7dc512..df7af17 100644
--- a/Sources/Earthquake Network/model/EQNSegnalazione.m	
+++ b/Sources/Earthquake Network/model/EQNSegnalazione.m	
@@ -19,8 +19,7 @@
         _ban = info[@"ban"];
         _code = info[@"code"];
 
-       // NSDate *dateServer = [dataFormatter dateFromString:info[@"data"]];
-        _date = [EQNUtility getDataFromString:info[@"date"]];
+        _date = [EQNUtility getDateFromString:info[@"date"]];
         _differenceSeg = info[@"difference"];
         _latitude = info[@"latitude"];
         _longitude = info[@"longitude"];
diff --git a/Sources/Earthquake Network/model/EQNUtility.h b/Sources/Earthquake Network/model/EQNUtility.h
index 66134fd..07bf803 100644
--- a/Sources/Earthquake Network/model/EQNUtility.h	
+++ b/Sources/Earthquake Network/model/EQNUtility.h	
@@ -17,7 +17,7 @@ NS_ASSUME_NONNULL_BEGIN
 
 @interface EQNUtility : NSObject
 
-+(NSDate *)getDataFromString:(NSString *)stringData;
++ (nullable NSDate *)getDateFromString:(NSString *)dateString;
 +(NSArray *)applicaFiltroWithTime:(EQNFiltriMappa )filtro withList:(NSArray *)list;
 +(void)writeArrayWithCustomObjToUserDefaults:(NSString *)keyName withArray:(NSArray *)myArray;
 +(void)writeArrayWithCustomObjToUserDefaults:(NSString *)keyName withDict:(NSDictionary *)myDict;
diff --git a/Sources/Earthquake Network/model/EQNUtility.m b/Sources/Earthquake Network/model/EQNUtility.m
index 669243f..dd1b83f 100644
--- a/Sources/Earthquake Network/model/EQNUtility.m	
+++ b/Sources/Earthquake Network/model/EQNUtility.m	
@@ -14,11 +14,11 @@
 
 @implementation EQNUtility
 
-+(NSDate *)getDataFromString:(NSString *)stringData{
-    
-    NSDateFormatter *dataFormatter = [[NSDateFormatter alloc] init];
-    [dataFormatter setDateFormat:@"yyyy-MM-dd HH:mm:ss"];
-    return [dataFormatter dateFromString:stringData];
++ (NSDate *)getDateFromString:(NSString *)dateString
+{
+    NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
+    [formatter setDateFormat:@"yyyy-MM-dd HH:mm:ss"];
+    return [formatter dateFromString:dateString];
 }
 
 +(NSDate *)impostaFiltroWithTime:(EQNFiltriMappa )filtro{