diff --git a/src/components/RsvpCard/RsvpCard.css b/src/components/RsvpCard/RsvpCard.css
index bb542d8..4487307 100644
--- a/src/components/RsvpCard/RsvpCard.css
+++ b/src/components/RsvpCard/RsvpCard.css
@@ -44,10 +44,11 @@
   color: #616161;
   font-size: 18px;
   line-height: 1.3333333;
-  transition:
-    border-color ease-in-out 0.3s,
-    box-shadow ease-in-out 0.3s,
-    background-color ease-in-out 0.3s;
+  transition: border-color ease-in-out 0.3s, box-shadow ease-in-out 0.3s, background-color ease-in-out 0.3s;
+}
+
+.input:disabled {
+  opacity: 0.5;
 }
 
 .input:focus {
@@ -87,3 +88,7 @@
 .rsvpSummarySuccess {
   opacity: 1;
 }
+
+.rsvpSummaryReadOnly {
+  opacity: 1;
+}
diff --git a/src/components/RsvpCard/RsvpCard.js b/src/components/RsvpCard/RsvpCard.js
index f43ba91..309f329 100644
--- a/src/components/RsvpCard/RsvpCard.js
+++ b/src/components/RsvpCard/RsvpCard.js
@@ -21,6 +21,7 @@ class RsvpCard extends React.Component {
       starter: PropTypes.string,
       main: PropTypes.string,
     }).isRequired,
+    isEditable: PropTypes.bool.isRequired,
   };
 
   constructor(props) {
@@ -32,6 +33,11 @@ class RsvpCard extends React.Component {
       saveMain: this.props.person.main !== '-1' ? 'saved' : null,
       saveDietary: this.props.person.dietary ? 'saved' : null,
     };
+
+    if (!this.props.isEditable) {
+      this.state.summaryState = 'readonly';
+      this.state.summary = 'Sorry, you can no longer change your RSVP.';
+    }
   }
 
   isRSVPComplete(prop, value) {
@@ -143,6 +149,7 @@ class RsvpCard extends React.Component {
                 defaultValue="-1"
                 onChange={this.handleAttendingChange}
                 onFocus={this.props.focusCallback}
+                disabled={!this.props.isEditable}
               >
                 <option value="-1" disabled>Will you be attending?</option>
                 <option value="true">
@@ -164,6 +171,7 @@ class RsvpCard extends React.Component {
                 defaultValue={this.props.person.attending === true ? 'true' : 'false'}
                 onChange={this.handleAttendingChange}
                 onFocus={this.props.focusCallback}
+                disabled={!this.props.isEditable}
               >
                 <option value="true">
                   Yes
@@ -194,6 +202,7 @@ class RsvpCard extends React.Component {
                 defaultValue={this.props.person.starter}
                 onChange={this.handleStarterChange}
                 onFocus={this.props.focusCallback}
+                disabled={!this.props.isEditable}
               >
                 {this.props.person.starter === '-1' ? <option value="-1" disabled>Please select a starter</option> : null}
                 {starters.map((starter, index) => (
@@ -220,6 +229,7 @@ class RsvpCard extends React.Component {
                 defaultValue={this.props.person.main}
                 onChange={this.handleMainChange}
                 onFocus={this.props.focusCallback}
+                disabled={!this.props.isEditable}
               >
                 {this.props.person.main === '-1' ? <option value="-1" disabled>Please select a main course</option> : null}
                 {mains.map((main, index) => (
@@ -249,6 +259,7 @@ class RsvpCard extends React.Component {
                 onChange={this.handleDietaryChange}
                 onBlur={this.handleDietaryBlur}
                 onFocus={this.props.focusCallback}
+                disabled={!this.props.isEditable}
                 placeholder="None"
               />
               <div className={s.iconContainer}>
@@ -262,6 +273,7 @@ class RsvpCard extends React.Component {
           className={[
             s.rsvpSummary,
             this.state.summaryState === 'success' ? s.rsvpSummarySuccess : null,
+            this.state.summaryState === 'readonly' ? s.rsvpSummaryReadOnly : null,
           ].join(' ')}
         >
           {this.state.summary}
diff --git a/src/routes/rsvp/Rsvp.js b/src/routes/rsvp/Rsvp.js
index e3f1474..cb983a4 100644
--- a/src/routes/rsvp/Rsvp.js
+++ b/src/routes/rsvp/Rsvp.js
@@ -14,6 +14,8 @@ class Rsvp extends React.Component {
       starter: PropTypes.string,
       main: PropTypes.string,
     })).isRequired,
+    rsvpEnd: PropTypes.string.isRequired,
+    isEditable: PropTypes.bool.isRequired,
   };
 
   constructor(props) {
@@ -38,11 +40,16 @@ class Rsvp extends React.Component {
           <h1 className={s.heading}>Odpovezte prosím</h1>
           <div className={s.flexContainer}>
             {this.props.people.map(person => (
-              <RsvpCard key={person.key} person={person} focusCallback={this.focusCallback} />
+              <RsvpCard
+                key={person.key}
+                person={person}
+                focusCallback={this.focusCallback}
+                isEditable={this.props.isEditable}
+              />
             ))}
           </div>
           <div className={s.notes}>
-            <p>You can modify the above details up until XX/XX/XXXX</p>
+            <p>You can modify the above details up until {this.props.rsvpEnd}</p>
           </div>
         </div>
       </div>
diff --git a/src/routes/rsvp/index.js b/src/routes/rsvp/index.js
index 4b9d3ca..b7decf9 100644
--- a/src/routes/rsvp/index.js
+++ b/src/routes/rsvp/index.js
@@ -3,13 +3,44 @@ import Layout from '../../components/Layout';
 import fetchQL from '../../core/fetchQL';
 import Rsvp from './Rsvp';
 import NotFound from '../notFound/NotFound';
+import { rsvpEndDate } from '../../config';
 
 let title = 'RSVP';
 
+const months = [
+  'January',
+  'February',
+  'March',
+  'April',
+  'May',
+  'June',
+  'July',
+  'August',
+  'September',
+  'October',
+  'November',
+  'December',
+];
+
 export default {
 
   path: '/rsvp/:password',
 
+  getRsvpEnd() {
+    const date = rsvpEndDate.getDate();
+    let dateSuffix = 'th';
+    if (date === 1 || date === 21 || date === 31) { dateSuffix = 'st'; }
+    if (date === 2 || date === 22) { dateSuffix = 'nd'; }
+    if (date === 3 || date === 23) { dateSuffix = 'rd'; }
+    const month = months[rsvpEndDate.getMonth()];
+    const year = rsvpEndDate.getFullYear();
+    return `${date}${dateSuffix} ${month} ${year}`;
+  },
+
+  isEditable() {
+    return new Date() < rsvpEndDate;
+  },
+
   async action({ params }) {
     if (!params.password) {
       return { redirect: '/' };
@@ -32,7 +63,16 @@ export default {
 
     return {
       title,
-      component: <Layout><Rsvp title={title} people={people} /></Layout>,
+      component: (
+        <Layout>
+          <Rsvp
+            title={title}
+            people={people}
+            rsvpEnd={this.getRsvpEnd()}
+            isEditable={this.isEditable()}
+          />
+        </Layout>
+      ),
     };
   },
 
diff --git a/src/server.js b/src/server.js
index 609cc08..f333440 100644
--- a/src/server.js
+++ b/src/server.js
@@ -21,7 +21,7 @@ import models from './data/models';
 import schema from './data/schema';
 import routes from './routes';
 import assets from './assets'; // eslint-disable-line import/no-unresolved
-import { port, auth, starters, mains } from './config';
+import { port, auth, starters, mains, rsvpEndDate } from './config';
 import Person from './data/models/Person';
 import Rollbar from './core/rollbar';
 import { sendSlackMsgWithDebounce } from './core/slack';
@@ -143,27 +143,40 @@ app.get('/rsvp/:code', bouncer.block, (req, res, next) => {
 
 app.post('/rsvp/save', (req, res) => {
   try {
-    const update = {};
-    update[req.body.prop] = req.body.value;
-    Person.update(update, {
-      where: {
-        key: req.body.key,
-      },
-    }).then(() => {
-      Person.findOne({
-        where: { key: req.body.key },
-      }).then(data => {
-        if (data.completed) {
-          const attending = `\nAttending: ${data.attending ? 'Yes' : 'No'}`;
-          const starter = (data.attending && data.starter !== -1) ? `\nStarter: ${starters[data.starter]}` : '';
-          const main = (data.attending && data.main !== -1) ? `\nMain: ${mains[data.main]}` : '';
-          const dietary = (data.attending && data.dietary) ? `\nDietary requirements: ${data.dietary}` : '';
+    if (new Date() > rsvpEndDate) {
+      res.json({
+        success: false,
+        err: 'RSVP end date has elapsed',
+      });
+    } else {
+      const update = {};
+      update[req.body.prop] = req.body.value;
+      Person.update(update, {
+        where: {
+          key: req.body.key,
+        },
+      }).then(() => {
+        Person.findOne({
+          where: { key: req.body.key },
+        }).then(data => {
+          if (data.completed) {
+            const attending = `\nAttending: ${data.attending ? 'Yes' : 'No'}`;
+            const starter = (data.attending && data.starter !== -1) ? `\nStarter: ${starters[data.starter]}` : '';
+            const main = (data.attending && data.main !== -1) ? `\nMain: ${mains[data.main]}` : '';
+            const dietary = (data.attending && data.dietary) ? `\nDietary requirements: ${data.dietary}` : '';
 
-          sendSlackMsgWithDebounce(`${data.firstname} ${data.lastname} has saved their RSVP:${attending}${starter}${main}${dietary}`, req.body.key);
-        }
-        res.json({
-          success: true,
-          prop: req.body.prop,
+            sendSlackMsgWithDebounce(`${data.firstname} ${data.lastname} has saved their RSVP:${attending}${starter}${main}${dietary}`, req.body.key);
+          }
+          res.json({
+            success: true,
+            prop: req.body.prop,
+          });
+        }).catch(err => {
+          Rollbar.handleError(err);
+          res.json({
+            success: false,
+            err,
+          });
         });
       }).catch(err => {
         Rollbar.handleError(err);
@@ -172,13 +185,7 @@ app.post('/rsvp/save', (req, res) => {
           err,
         });
       });
-    }).catch(err => {
-      Rollbar.handleError(err);
-      res.json({
-        success: false,
-        err,
-      });
-    });
+    }
   } catch (err) {
     Rollbar.handleError(err);
     res.json({