diff --git a/pkg/dash/app_html.py b/pkg/dash/app_html.py
index 79a06f6..a555414 100644
--- a/pkg/dash/app_html.py
+++ b/pkg/dash/app_html.py
@@ -113,7 +113,7 @@ def layout_config(app):
             dcc.Tabs(id='tabs', value='line', children=[
                 dcc.Tab(label='Line Chart', value='line'),
                 dcc.Tab(label='Heatmap', value='heatmap'),
-                dcc.Tab(label='Scatter Plot', value='scatter'),
+                dcc.Tab(label='One Day Heatmap Plot', value='one_day_heatmap'),
             ]),
             html.Div(id='tabs-content'),
         ], style={'marginLeft': '50px'}),
diff --git a/pkg/dash/func/render.py b/pkg/dash/func/render.py
index 03a9a7d..f7b9c08 100644
--- a/pkg/dash/func/render.py
+++ b/pkg/dash/func/render.py
@@ -2,12 +2,12 @@ from datetime import datetime, timedelta
 from dash.dependencies import Input, Output
 from pkg.dash.app_init import app
 from pkg.config import render_data
-from pkg.tool import aggregate_data,generate_xticks,minutes_to_time
+from pkg.tool import aggregate_data, generate_xticks, minutes_to_time
 from dash import dcc
 import plotly.graph_objs as go
 import pandas as pd
 
-# Callback for updating tabs content (Modified to add Thursday-Friday lines)
+
 @app.callback(
     [Output('tabs-content', 'children'),
      Output('multi-day-warning', 'children'),
@@ -20,7 +20,7 @@ import pandas as pd
 )
 def render_tab_content(tab, selected_dates, interval, time_zones, days_to_display):
     warning = ""
-    if tab != 'heatmap':
+    if tab == 'line':
         if len(selected_dates) > 10:
             selected_dates = selected_dates[:10]
             warning = "Maximum of 10 days can be selected. Showing first 10 selected days."
@@ -81,52 +81,66 @@ def render_tab_content(tab, selected_dates, interval, time_zones, days_to_displa
                         xref="x",
                         yref="paper"
                     )
-            fig.update_layout(
-                title=f'Tweet Heatmap (Interval: {interval} minutes, EST, {len(selected_dates)} days)',
-                xaxis_title='Time of Day (HH:MM EST)',
-                yaxis_title='Date',
-                height=max(400, len(selected_dates) * 20),
-                yaxis=dict(autorange='reversed')
-            )
+        fig.update_layout(
+            title=f'Tweet Heatmap (Interval: {interval} minutes, EST, {len(selected_dates)} days)',
+            xaxis_title='Time of Day (HH:MM EST)',
+            yaxis_title='Date',
+            height=max(400, len(selected_dates) * 20),
+            yaxis=dict(autorange='reversed')
+        )
 
-    elif tab == 'scatter':
-        fig = go.Figure()
-        for date in selected_dates:
-            day_data = multi_data_raw[multi_data_raw['date'] == date]
-            if not day_data.empty:
-                hover_times = [t.strftime('%Y-%m-%d %H:%M:%S EST') for t in day_data['datetime_est']]
-                fig.add_trace(go.Scatter(
-                    x=day_data['minute_of_day'],
-                    y=[str(date)] * len(day_data),
-                    mode='markers',
-                    name=str(date),
-                    customdata=hover_times,
-                    hovertemplate='%{customdata}<extra></extra>',
-                    marker=dict(size=8)
-                ))
+    elif tab == 'one_day_heatmap':
+        one_day_data = agg_data.groupby('interval_group')['tweet_count'].sum().reset_index()
 
-    if tab in ['line', 'scatter']:
+        hours = list(range(24))
+        intervals_per_hour = 60 // interval
+        z_values = [[0] * intervals_per_hour for _ in range(24)]
+
+        for _, row in one_day_data.iterrows():
+            minute = row['interval_group']
+            hour = int(minute // 60)  # Convert to integer
+            interval_idx = int((minute % 60) // interval)  # Convert to integer
+            if hour < 24:
+                z_values[hour][interval_idx] = row['tweet_count']
+
+        x_labels = [f"{i * interval:02d}" for i in range(intervals_per_hour)]
+
+        fig = go.Figure(data=go.Heatmap(
+            z=z_values,
+            x=x_labels,
+            y=[f"{h:02d}:00" for h in hours],
+            colorscale='Viridis',
+            hoverongaps=False,
+            hovertemplate='%{y} %{x} EST<br>Tweets: %{z}<extra></extra>'
+        ))
+
+        # Add time zone annotations if selected
         if 'PST' in time_zones:
-            pacific_2am_est = (2 + 3) * 60
-            pacific_7am_est = (7 + 3) * 60
+            pacific_2am_est = (2 + 3) * 60 // interval
+            pacific_7am_est = (7 + 3) * 60 // interval
             fig.add_vline(x=pacific_2am_est, line_dash="dash", line_color="blue", annotation_text="CA 2AM PST")
             fig.add_vline(x=pacific_7am_est, line_dash="dash", line_color="blue", annotation_text="CA 7AM PST")
         if 'CST' in time_zones:
-            central_2am_est = (2 + 1) * 60
-            central_7am_est = (7 + 1) * 60
+            central_2am_est = (2 + 1) * 60 // interval
+            central_7am_est = (7 + 1) * 60 // interval
             fig.add_vline(x=central_2am_est, line_dash="dash", line_color="green", annotation_text="TX 2AM CST")
             fig.add_vline(x=central_7am_est, line_dash="dash", line_color="green", annotation_text="TX 7AM CST")
 
-    if tab in ['line', 'scatter']:
+    if tab in ['line', 'one_day_heatmap']:
         fig.update_layout(
-            title=f'{"Line" if tab == "line" else "Scatter"} Tweet Frequency (Interval: {interval} minutes, EST)',
-            xaxis_title='Eastern Time (HH:MM)',
-            yaxis_title='Tweet Count' if tab == 'line' else 'Date',
-            xaxis=dict(range=[0, 1440], tickvals=xticks, ticktext=xtick_labels, tickangle=45),
+            title=f'{"Line" if tab == "line" else "One-Day Heatmap"} Tweet Frequency (Interval: {interval} minutes, EST, {len(selected_dates)} days)',
+            xaxis_title='Minutes' if tab == 'one_day_heatmap' else 'Eastern Time (HH:MM)',
+            yaxis_title='Hour of Day' if tab == 'one_day_heatmap' else 'Tweet Count',
+            xaxis=dict(
+                range=[0, 1440] if tab == 'line' else None,
+                tickvals=xticks if tab == 'line' else None,
+                ticktext=xtick_labels if tab == 'line' else None,
+                tickangle=45 if tab == 'line' else 0
+            ),
             height=600,
-            showlegend=True,
-            yaxis=dict(autorange='reversed') if tab == 'scatter' else None
+            showlegend=(tab == 'line'),
+            yaxis=dict(autorange='reversed') if tab == 'one_day_heatmap' else None
         )
 
     summary = f"Total tweets for selected dates: {int(tweet_count_total)}"
-    return dcc.Graph(figure=fig), warning, summary
+    return dcc.Graph(figure=fig), warning, summary
\ No newline at end of file
diff --git a/pkg/dash/func/ui.py b/pkg/dash/func/ui.py
index c4b19cb..f447ff0 100644
--- a/pkg/dash/func/ui.py
+++ b/pkg/dash/func/ui.py
@@ -1,12 +1,14 @@
 from pkg.dash.app_init import app
 from dash.dependencies import Input, Output
 
+
 @app.callback(
     [Output('date-picker-container', 'style'),
-     Output('days-display-container', 'style')],
+     Output('days-display-container', 'style'),
+     Output('time-zone-checklist', 'style')],
     [Input('tabs', 'value')]
 )
 def toggle_controls_visibility(tab):
-    if tab == 'heatmap':
-        return {'display': 'none'}, {'display': 'block'}
-    return {'display': 'block'}, {'display': 'none'}
\ No newline at end of file
+    if tab == 'heatmap' or tab == 'one_day_heatmap':
+        return {'display': 'none'}, {'display': 'block'}, {'display': 'none'}
+    return {'display': 'block'}, {'display': 'none'}, {'display': 'block'}