diff --git a/frontend/src/components/Contributions/ContributionForm.vue b/frontend/src/components/Contributions/ContributionForm.vue
index 546e86d11..25f03812a 100644
--- a/frontend/src/components/Contributions/ContributionForm.vue
+++ b/frontend/src/components/Contributions/ContributionForm.vue
@@ -46,8 +46,15 @@
           v-model="form.time"
           :name="$t('form.time')"
           :label="$t('form.time')"
-          placeholder="1"
-          :rules="{ required: true, gddCreationTime: [1, validMaxTime] }"
+          placeholder="0.5"
+          :rules="{
+            required: true,
+            min: 0.5,
+            max: validMaxTime,
+            gddCreationTime: [0.5, validMaxTime],
+          }"
+          :validMaxTime="validMaxTime"
+          @updateAmount="updateAmount"
         ></input-time>
         <!-- <validation-provider
         :rules="{
@@ -148,6 +155,9 @@ export default {
     }
   },
   methods: {
+    updateAmount(amount) {
+      this.form.amount = (amount * 20).toFixed(2).toString()
+    },
     // numberFormat(value) {
     //   return value.replace(PATTERN_NON_DIGIT, '')
     // },
diff --git a/frontend/src/components/Inputs/InputAmount.vue b/frontend/src/components/Inputs/InputAmount.vue
index b7c7c0da4..d3e2f4e8c 100644
--- a/frontend/src/components/Inputs/InputAmount.vue
+++ b/frontend/src/components/Inputs/InputAmount.vue
@@ -1,6 +1,7 @@
 <template>
   <div class="input-amount">
     <validation-provider
+      v-if="typ === 'TransactionsForm'"
       tag="div"
       :rules="rules"
       :name="name"
@@ -20,11 +21,24 @@
           @focus="amountFocused = true"
           @blur="normalizeAmount(valid)"
         ></b-form-input>
+
         <b-form-invalid-feedback v-bind="ariaMsg">
           {{ errors[0] }}
         </b-form-invalid-feedback>
       </b-form-group>
     </validation-provider>
+    <b-input-group v-else append="GDD" :label="label" :label-for="labelFor">
+     
+      <b-form-input
+        v-model="currentValue"
+        :id="labelFor"
+        :name="name"
+        :placeholder="placeholder"
+        type="text"
+        readonly
+        trim
+      ></b-form-input>
+    </b-input-group>
   </div>
 </template>
 <script>
@@ -64,9 +78,10 @@ export default {
   },
   methods: {
     normalizeAmount(isValid) {
+      // console.log('inputAmount normalize')
       this.amountFocused = false
       if (!isValid) return
-      this.amountValue = Number(this.currentValue.replace(',', '.'))
+      this.amountValue = this.currentValue.replace(',', '.')
       if (this.typ === 'TransactionForm') {
         this.currentValue = this.$n(this.amountValue, 'ungroupedDecimal')
       }
diff --git a/frontend/src/components/Inputs/InputTime.vue b/frontend/src/components/Inputs/InputTime.vue
index cd9cecc3d..d4bac0c8f 100644
--- a/frontend/src/components/Inputs/InputTime.vue
+++ b/frontend/src/components/Inputs/InputTime.vue
@@ -15,6 +15,10 @@
           :placeholder="placeholder"
           type="number"
           :state="validated ? valid : false"
+          step="0.5"
+          min="0"
+          :max="validMaxTime"
+
         ></b-form-input>
         <b-form-invalid-feedback v-bind="ariaMsg">
           {{ errors[0] }}
@@ -35,6 +39,7 @@ export default {
     label: { type: String, required: true, default: 'Time' },
     placeholder: { type: String, required: true, default: 'Time' },
     value: { type: Number, required: true, default: 0 },
+    validMaxTime: { type: Number, required: true, default: 0 },
   },
   data() {
     return {
@@ -52,22 +57,22 @@ export default {
     },
     value() {
       //   console.log('value', this.value)
-      //   console.log('value !== currentValue', this.value !== this.currentValue)
-      // this.value = Number(this.value)
-      if (Number(this.value) !== this.currentValue) this.currentValue = this.value
-      this.currentValue = Number(this.currentValue)
-      // this.value = Number(this.value)
-      //   console.log('value', typeof(this.value))
-      //   console.log('currentValue', typeof(this.currentValue))
+      //   console.log('currentValue', this.currentValue)
+      //   console.log('value', typeof this.value)
+      //   console.log('currentValue', typeof this.currentValue)
+      //   console.log('!==', this.value !== this.currentValue)
+
+      if (this.value !== this.currentValue) this.currentValue = this.value
+      this.$emit('updateAmount', this.currentValue)
     },
   },
   methods: {
-    // normalizeTime(isValid) {
-    //   this.timeFocused = false
-    //   if (!isValid) return
-    //   // this.timeValue = Number(this.currentValue.replace(',', '.'))
-    //   this.currentValue = this.timeValue
-    // },
+    normalizeTime(isValid) {
+      this.timeFocused = false
+      if (!isValid) return
+      this.timeValue = Number(this.currentValue.replace(',', '.'))
+      this.currentValue = this.timeValue
+    },
   },
 }
 </script>
diff --git a/frontend/src/validation-rules.js b/frontend/src/validation-rules.js
index d262dfe26..b193880ff 100644
--- a/frontend/src/validation-rules.js
+++ b/frontend/src/validation-rules.js
@@ -56,6 +56,7 @@ export const loadAllRules = (i18nCallback) => {
 
   extend('gddCreationTime', {
     validate(value, { min, max }) {
+      value = value.replace(',', '.')
       // console.log(value)
       // console.log(min)
       // console.log(max)