diff --git b/.idea/.gitignore a/.idea/.gitignore
new file mode 100644
index 0000000..26d3352
--- /dev/null
+++ a/.idea/.gitignore
@@ -0,0 +1,3 @@
+# Default ignored files
+/shelf/
+/workspace.xml
diff --git b/.idea/misc.xml a/.idea/misc.xml
new file mode 100644
index 0000000..a818314
--- /dev/null
+++ a/.idea/misc.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" project-jdk-name="17" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>
\ No newline at end of file
diff --git b/.idea/modules.xml a/.idea/modules.xml
new file mode 100644
index 0000000..09a1674
--- /dev/null
+++ a/.idea/modules.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/Clock.iml" filepath="$PROJECT_DIR$/Clock.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git b/.idea/vcs.xml a/.idea/vcs.xml
new file mode 100644
index 0000000..94a25f7
--- /dev/null
+++ a/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git b/Clock.iml a/Clock.iml
new file mode 100644
index 0000000..b107a2d
--- /dev/null
+++ a/Clock.iml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file
diff --git b/Reloj.java a/Reloj.java
new file mode 100644
index 0000000..e26c794
--- /dev/null
+++ a/Reloj.java
@@ -0,0 +1,129 @@
+import java.util.Scanner;
+
+public class Reloj {
+    int hora;
+    int minuto;
+    int segundo;
+
+    public Reloj(){//este inicializa
+        hora=12;
+        minuto=0;
+        segundo=0;
+    }
+    public Reloj(int hh,int mm,int ss){//constructor de los 3 parametros y recomendable el nombre del parametro,cambia los valores actuales
+        hora=hh;
+        minuto=mm;
+        segundo=ss;
+    }
+    public Reloj(int s){//Convertir segundos a horas
+        hora = s / 3600;
+        minuto = (s- (3600 * hora)) / 60;
+        segundo= s - ((hora * 3600) + (minuto * 60));
+
+    }
+    public void setReloj(int s){
+        hora = s / 3600;
+        minuto = (s- (3600 * hora)) / 60;
+        segundo= s - ((hora * 3600) + (minuto * 60));
+        toString();
+        System.out.println("[: " + hora + ":" + minuto+ ":" + segundo+"]");
+    }
+    public void tick() {
+        int[] conversion=conversionSegundos(hora,minuto);
+        int x = conversion[0] + conversion[1] + 1 + segundo;
+        setReloj(x);
+    }
+    public void addReloj(Reloj tipoReloj){
+       int[] x = conversionSegundos(tipoReloj.hora,tipoReloj.minuto);
+        int [] c = conversionSegundos(hora,minuto);
+        int sumaReloj=x[0]+c[0]+x[1]+c[1] + segundo + tipoReloj.segundo;
+        setReloj(sumaReloj);
+
+    }
+
+    public void restaReloj(Reloj tipoReloj){
+        int[] x = conversionSegundos(tipoReloj.hora,tipoReloj.minuto);
+        int [] c = conversionSegundos(hora,minuto);
+        //el objeto tipo reloj HI ES A
+        if(tipoReloj.hora<hora){//hacemos la resta dell relj
+            int restaReloj= (x[0]-c[0]-x[1]-c[1] - segundo - tipoReloj.segundo) *(-1);
+
+                setReloj(restaReloj);
+        }else{
+            int restaReloj= (x[0]-c[0]-x[1]-c[1] - segundo - tipoReloj.segundo);
+
+             setReloj(restaReloj);
+        }
+
+
+
+
+
+
+    }
+    public int[] conversionSegundos(int h,int m){
+        int[] Array=new int[2];
+        Array[0]=h*3600;
+        Array[1]=m*60;
+        return Array;
+
+
+    }
+    public int getHora() {
+        return hora;
+    }
+
+
+    public void setHora(int hora) {
+        this.hora = hora;
+    }
+
+    public int getMinuto() {
+        return minuto;
+    }
+
+    public void setMinuto(int minuto) {
+        this.minuto = minuto;
+    }
+
+    public int getSegundo() {
+        return segundo;
+    }
+
+    public void setSegundo(int segundo) {
+        this.segundo = segundo;
+    }
+
+    @Override
+    public String toString() {
+
+        return "Reloj{" +
+                "hh" + hora +
+                ":mm:" + minuto +
+                "segundo" + segundo +
+                '}';
+
+    }
+
+
+    public static void main(String[] args) {
+        System.out.println("ingrese");
+        Scanner teclado = new Scanner(System.in);
+        int num = teclado.nextInt();
+
+        //contructores
+        Reloj reloj = new Reloj();
+        System.out.println(reloj);
+        Reloj reloj2 = new Reloj(19,22,30);
+        Reloj reloj3 = new Reloj(num);
+
+
+
+        //metodos
+        reloj3.restaReloj(reloj);
+
+        for (int i = 0; i < 10; i++) {
+            reloj2.tick();
+       }
+    }
+}
diff --git b/out/production/Clock/.idea/.gitignore a/out/production/Clock/.idea/.gitignore
new file mode 100644
index 0000000..26d3352
--- /dev/null
+++ a/out/production/Clock/.idea/.gitignore
@@ -0,0 +1,3 @@
+# Default ignored files
+/shelf/
+/workspace.xml
diff --git b/out/production/Clock/.idea/misc.xml a/out/production/Clock/.idea/misc.xml
new file mode 100644
index 0000000..a818314
--- /dev/null
+++ a/out/production/Clock/.idea/misc.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" project-jdk-name="17" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>
\ No newline at end of file
diff --git b/out/production/Clock/.idea/modules.xml a/out/production/Clock/.idea/modules.xml
new file mode 100644
index 0000000..09a1674
--- /dev/null
+++ a/out/production/Clock/.idea/modules.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/Clock.iml" filepath="$PROJECT_DIR$/Clock.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git b/out/production/Clock/Clock.iml a/out/production/Clock/Clock.iml
new file mode 100644
index 0000000..b107a2d
--- /dev/null
+++ a/out/production/Clock/Clock.iml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file
diff --git b/out/production/Clock/Reloj.class a/out/production/Clock/Reloj.class
new file mode 100644
index 0000000..7ec5d77
Binary files /dev/null and a/out/production/Clock/Reloj.class differ