diff --git a/src/components/ContributionCalendar.jsx b/src/components/ContributionCalendar.jsx
index 77180ce..604bb6e 100644
--- a/src/components/ContributionCalendar.jsx
+++ b/src/components/ContributionCalendar.jsx
@@ -1,13 +1,17 @@
 import React from 'react';
 
-// Helper to get all days in the last 52 weeks
+// Helper to get all days in the last 52 weeks, starting on Monday
 function getCalendarDays() {
   const days = [];
   const today = new Date();
   today.setHours(0, 0, 0, 0);
-  // Go back 51 weeks (to get 52 weeks total)
+  // Find the most recent Monday
   const start = new Date(today);
-  start.setDate(start.getDate() - (7 * 51 + today.getDay()));
+  const dayOfWeek = start.getDay();
+  // getDay(): 0=Sunday, 1=Monday, ..., 6=Saturday
+  // If today is not Monday, go back to the previous Monday
+  const offset = (dayOfWeek === 0 ? -6 : 1 - dayOfWeek); // If Sunday, go back 6 days; else, go back to Monday
+  start.setDate(start.getDate() - (7 * 51) + offset);
   for (let i = 0; i < 7 * 52; i++) {
     const d = new Date(start);
     d.setDate(start.getDate() + i);
@@ -16,6 +20,24 @@ function getCalendarDays() {
   return days;
 }
 
+// Get month labels for the top
+function getMonthLabels(days) {
+  const labels = [];
+  let lastMonth = null;
+  for (let week = 0; week < 52; week++) {
+    const day = days[week * 7];
+    const month = day.toLocaleString('default', { month: 'short' });
+    if (month !== lastMonth) {
+      labels.push({ week, month });
+      lastMonth = month;
+    }
+  }
+  return labels;
+}
+
+// Day labels for rows (Monday to Sunday)
+const DAY_LABELS = ['Mon', '', 'Wed', '', 'Fri', '', 'Sun'];
+
 // Color scale (GitHub-like)
 const COLORS = [
   '#ebedf0', // 0
@@ -32,38 +54,104 @@ function getColor(count) {
 
 export default function ContributionCalendar({ data }) {
   const days = getCalendarDays();
+  const monthLabels = getMonthLabels(days);
   // Get max count for scaling (optional, for more dynamic color)
   // const max = Math.max(...Object.values(data));
 
   return (
-    <div style={{ overflowX: 'auto' }}>
-      <div style={{ display: 'flex' }}>
-        {/* Weeks (columns) */}
-        {Array.from({ length: 52 }).map((_, weekIdx) => (
-          <div key={weekIdx} style={{ display: 'flex', flexDirection: 'column' }}>
-            {/* Days (rows) */}
-            {Array.from({ length: 7 }).map((_, dayIdx) => {
-              const day = days[weekIdx * 7 + dayIdx];
-              const dateStr = day.toISOString().slice(0, 10);
-              const count = data[dateStr] || 0;
-              return (
-                <div
-                  key={dateStr}
-                  title={`${dateStr}: ${count} contribution${count === 1 ? '' : 's'}`}
-                  style={{
-                    width: 12,
-                    height: 12,
-                    margin: 1,
-                    background: getColor(count),
-                    borderRadius: 2,
-                  }}
-                />
-              );
-            })}
-          </div>
-        ))}
+    <div
+      style={{
+        width: '100%',
+        maxWidth: '100%',
+        margin: '0 auto',
+        padding: 0,
+        borderRadius: '1rem',
+        background: 'rgba(255,255,255,0.7)',
+        boxShadow: '0 4px 24px 0 rgba(0,0,0,0.08)',
+        backdropFilter: 'blur(12px)',
+        WebkitBackdropFilter: 'blur(12px)',
+        border: '1px solid rgba(255,255,255,0.3)',
+        overflowX: 'auto',
+        display: 'flex',
+        flexDirection: 'column',
+        alignItems: 'center',
+        justifyContent: 'center',
+        minHeight: 160,
+      }}
+      className="contribution-calendar"
+    >
+      {/* Month labels */}
+      <div style={{ display: 'flex', marginBottom: 4, justifyContent: 'center' }}>
+        <div style={{ width: 44 }} />
+        {Array.from({ length: 52 }).map((_, weekIdx) => {
+          const label = monthLabels.find((l) => l.week === weekIdx);
+          return (
+            <div
+              key={weekIdx}
+              style={{
+                flex: '0 0 14px',
+                textAlign: 'center',
+                fontSize: 12,
+                color: '#888',
+                fontWeight: 500,
+                minWidth: 14,
+              }}
+            >
+              {label ? label.month : ''}
+            </div>
+          );
+        })}
       </div>
-      <div style={{ fontSize: 12, color: '#888', marginTop: 4 }}>
+      <div style={{ display: 'flex', alignItems: 'center', justifyContent: 'center' }}>
+        {/* Day labels */}
+        <div style={{ display: 'flex', flexDirection: 'column', marginRight: 4, justifyContent: 'center' }}>
+          {DAY_LABELS.map((label, i) => (
+            <div
+              key={i}
+              style={{
+                height: 14,
+                fontSize: 12,
+                color: '#888',
+                textAlign: 'right',
+                lineHeight: '14px',
+                marginBottom: 1,
+                minWidth: 32,
+              }}
+            >
+              {label}
+            </div>
+          ))}
+        </div>
+        {/* Weeks (columns) */}
+        <div style={{ display: 'flex' }}>
+          {Array.from({ length: 52 }).map((_, weekIdx) => (
+            <div key={weekIdx} style={{ display: 'flex', flexDirection: 'column', flex: '0 0 14px' }}>
+              {/* Days (rows) */}
+              {Array.from({ length: 7 }).map((_, dayIdx) => {
+                // Shift the dayIdx so that Monday is the first row and Sunday is the last
+                const shiftedDayIdx = (dayIdx + 1) % 7;
+                const day = days[weekIdx * 7 + shiftedDayIdx];
+                const dateStr = day.toISOString().slice(0, 10);
+                const count = data[dateStr] || 0;
+                return (
+                  <div
+                    key={dateStr}
+                    title={`${dateStr}: ${count} contribution${count === 1 ? '' : 's'}`}
+                    style={{
+                      width: 12,
+                      height: 12,
+                      margin: 1,
+                      background: getColor(count),
+                      borderRadius: 2,
+                    }}
+                  />
+                );
+              })}
+            </div>
+          ))}
+        </div>
+      </div>
+      <div style={{ fontSize: 12, color: '#888', marginTop: 4, textAlign: 'center' }}>
         <span>Less</span>
         {COLORS.map((color, i) => (
           <span key={i} style={{ display: 'inline-block', width: 12, height: 12, background: color, margin: '0 2px', borderRadius: 2 }} />
diff --git a/src/pages/development.astro b/src/pages/development.astro
index 7e50591..27e7042 100644
--- a/src/pages/development.astro
+++ b/src/pages/development.astro
@@ -2,6 +2,9 @@
 import Layout from '../layouts/Layout.astro';
 import { getPermalink } from '../utils/permalinks';
 import { getTranslation } from '../i18n/translations';
+import React, { useMemo } from 'react';
+import dynamic from 'astro/dynamic';
+import ContributionCalendar from '../components/ContributionCalendar.jsx';
 
 const lang = Astro.params.lang || 'en';
 const t = getTranslation(lang);
@@ -40,12 +43,32 @@ const formatDate = (dateString: string) => {
     day: 'numeric',
   });
 };
+
+// Helper: Group commits by date (YYYY-MM-DD)
+function getContributionData(commits) {
+  const contributions = {};
+  for (const commit of commits) {
+    const date = commit.commit?.author?.date?.slice(0, 10);
+    if (date) {
+      contributions[date] = (contributions[date] || 0) + 1;
+    }
+  }
+  return contributions;
+}
+
+const contributionData = getContributionData(commits);
 ---
 
 <Layout>
   <div class="max-w-4xl mx-auto px-4 py-8">
-    <h1 class="text-4xl font-bold mb-8">{t.development.title || 'Development Progress'}</h1>
-    
+    <h1 class="text-4xl font-bold mb-4">{t.development.title || 'Development Progress'}</h1>
+    <p class="mb-8 text-lg text-gray-700 dark:text-gray-300">
+      This page provides a transparent overview of the ongoing development activity for the <strong>365DevNet</strong> project. The contribution calendar below visually represents code contributions (commits) made over the past year, with darker squares indicating more active days. Below the calendar, you'll find a list of the most recent commits, including details about each change. This helps users, contributors, and stakeholders track project progress and stay up to date with the latest updates.
+    </p>
+    {/* Contribution Calendar */}
+    <div class="mb-8">
+      <ContributionCalendar data={contributionData} client:only="react" />
+    </div>
     <div class="space-y-8">
       <section>
         <h2 class="text-2xl font-semibold mb-4">{t.development.latestCommits || 'Latest Commits'}</h2>