Add Alarm Feature and 12/24 Hour Toggle .Also added Dark mode with tick feature

Digital_Clock/README.MD

@@ -34,4 +34,8 @@ A simple Python-based digital clock application with a graphical user interface
 3. **Execution:**  
    The application runs continuously, keeping the time accurate until the user closes the window.
 
-
+## Features Added 
+- Alarm functionality 
+- 12/24 hour toggle 
+- Theme switch 
+- Improved input validation 

Digital_Clock/digital_clock.py

@@ -1,19 +1,44 @@
-from tkinter import Tk, Label
+from tkinter import Tk, Label, Entry, Button, messagebox
 from tkinter.font import Font
 import time
+from tkinter import Checkbutton, BooleanVar
+from tkinter import Canvas
+
 
 
 class DigitalClock:
     def __init__(self, font=None):
         """Initialize the digital clock."""
         self.create_window()
         self.configure_window()
+        self.is_dark = True
         self.set_font(font)
         self.add_header()
         self.add_clock()
         self.add_date()  # ✅ Added new method to show date
+        self.add_theme_button()
+        # self.add_theme_toggle()
+        self.is_24_hour = True
+        self.alarm_time = None
+        self.add_format_toggle()
+        self.add_alarm_section()
         self.update_time_on_clock()
 
+    def add_format_toggle(self):
+        self.format_button = Button(self.window,
+                                    text="Switch to 12 Hour",
+                                    font=("times", 15, "bold"),
+                                    command=self.toggle_format)
+        self.format_button.grid(row=5, column=2, pady=5)
+
+    def toggle_format(self):
+        if self.is_24_hour:
+            self.is_24_hour = False
+            self.format_button.config(text="Switch to 24 Hour")
+        else:
+            self.is_24_hour = True
+            self.format_button.config(text="Switch to 12 Hour")
+
     def create_window(self):
         """Create the main window."""
         self.window = Tk()
@@ -38,14 +63,67 @@ def add_clock(self):
         """Add the clock label to the window."""
         self.clock = Label(self.window, font=(
             'times', 90, 'bold'), bg='blue', fg='white')
-        self.clock.grid(row=2, column=2, padx=620, pady=250)
+        self.clock.grid(row=2, column=2, padx=500, pady=100)
+        # self.clock.grid(row=2, column=2, pady=20)
 
     def add_date(self):
         """Add a date label below the clock."""
         self.date_label = Label(self.window, font=('times', 40, 'bold'), bg='black', fg='white')
         self.date_label.grid(row=3, column=2)
         self.update_date_on_clock()
 
+    # def toggle_theme(self):
+    #     if self.is_dark:
+    #         self.window.config(bg="white")
+    #         self.clock.config(bg="white", fg="black")
+    #         self.date_label.config(bg="white", fg="black")
+    #         self.header.config(bg="lightgray", fg="black")
+    #     else:
+    #         self.window.config(bg="black")
+    #         self.clock.config(bg="black", fg="white")
+    #         self.date_label.config(bg="black", fg="white")
+    #         self.header.config(bg="gray", fg="white")
+
+    #     self.is_dark = not self.is_dark
+
+    def toggle_theme(self):
+        if self.theme_var.get():   # Dark mode ON
+            self.window.config(bg="black")
+            self.clock.config(bg="black", fg="white")
+            self.date_label.config(bg="black", fg="white")
+            self.header.config(bg="gray", fg="white")
+            self.theme_toggle.config(bg="black", fg="white")
+        else:   # Light mode
+            self.window.config(bg="white")
+            self.clock.config(bg="white", fg="black")
+            self.date_label.config(bg="white", fg="black")
+            self.header.config(bg="lightgray", fg="black")
+            self.theme_toggle.config(bg="white", fg="black")
+
+    # def add_theme_button(self):
+    #     self.theme_button = Label(self.window, text="Toggle Theme",
+    #                             font=("times", 20, "bold"),
+    #                             bg="green", fg="white",
+    #                             cursor="hand2")
+    #     self.theme_button.grid(row=4, column=2)
+    #     self.theme_button.bind("<Button-1>", lambda e: self.toggle_theme())
+
+    def add_theme_button(self):
+        self.theme_var = BooleanVar(value=True)
+
+        self.theme_toggle = Checkbutton(
+            self.window,
+            text="Dark Mode",
+            variable=self.theme_var,
+            command=self.toggle_theme,
+            bg="black",
+            fg="white",
+            selectcolor="black",
+            font=("times", 15, "bold")
+        )
+
+        self.theme_toggle.grid(row=4, column=2, pady=10)
+
     def update_date_on_clock(self):
         """Update the date displayed below the clock."""
         currentDate = time.strftime("%d-%b-%Y")
@@ -55,15 +133,47 @@ def update_date_on_clock(self):
 
     def update_time_on_clock(self):
         """Update the time displayed on the clock every second."""
-        currentTime = time.strftime("%H:%M:%S")
+        # currentTime = time.strftime("%H:%M:%S")
+
+        if self.is_24_hour:
+            currentTime = time.strftime("%H:%M:%S")
+        else:
+            currentTime = time.strftime("%I:%M:%S %p")
+
+        if self.alarm_time == currentTime:
+            messagebox.showinfo("Alarm", "⏰ Time's Up!")
+            self.alarm_time = None
+
         self.clock.config(text=currentTime)
         self.clock.after(1000, self.update_time_on_clock)
 
     def start(self):
         """Start the Tkinter main loop."""
         self.window.mainloop()
+
+    def add_alarm_section(self):
+        self.alarm_entry = Entry(self.window, font=("times", 15))
+        self.alarm_entry.grid(row=6, column=2, pady=5)
+
+        self.alarm_button = Button(self.window,
+                                    text="Set Alarm (HH:MM:SS)",
+                                    font=("times", 12, "bold"),
+                                    command=self.set_alarm)
+        self.alarm_button.grid(row=7, column=2, pady=5)
+
+    def set_alarm(self):
+        alarm_input = self.alarm_entry.get()
+
+        try:
+            time.strptime(alarm_input, "%H:%M:%S")
+            self.alarm_time = alarm_input
+            messagebox.showinfo("Alarm Set", f"Alarm set for {alarm_input}")
+        except ValueError:
+            messagebox.showerror("Invalid Format", "Use HH:MM:SS format")
+
+
 
 
 if __name__ == "__main__":
     clock = DigitalClock()
-    clock.start()
+    clock.start()