Update app.py

app.py

@@ -2,6 +2,9 @@ import pandas as pd
 import numpy as np
 import yfinance as yf
 import streamlit as st
+from datetime import datetime, timedelta
+import pytz
+
 
 # Function to fetch historical stock data using yfinance
 def fetch_stock_data(ticker, start_date, end_date):
@@ -201,6 +204,17 @@ def main():
     start_date = st.date_input('Start Date', pd.to_datetime('2020-01-01'))
     end_date = st.date_input('End Date', pd.to_datetime('2022-01-01'))
 
+    preferred_timezone = st.timezone_input('Select Preferred Timezone', pytz.UTC)
+
+    start_datetime = st.time_input('Select Start Time', datetime(2022, 1, 1, 0, 0))
+    end_datetime = st.time_input('Select End Time', datetime(2022, 1, 1, 23, 59))
+
+    start_datetime = datetime.combine(start_date, start_datetime.time())
+    end_datetime = datetime.combine(end_date, end_datetime.time())
+
+    start_datetime = preferred_timezone.localize(start_datetime)
+    end_datetime = preferred_timezone.localize(end_datetime)
+    
     if st.button('Detect Patterns'):
         stock_data = fetch_stock_data(ticker, start_date, end_date)
         stock_data = detect_head_shoulder(stock_data)