tkinter: 時計の針の回転をどれだけ高速にできるか

# -*- coding: utf-8 -*-
import tkinter as tk
import math
import random

# キャンバスのサイズの設定
CANVAS_WIDTH = 400
CANVAS_HEIGHT = CANVAS_WIDTH
CANVAS_SIZE = CANVAS_WIDTH

# 時計の前面と背景の色の設定
BG_COLOR = "black"

#時計の外枠
FG_COLOR = "gray"

# 盤面を表す円の半径の設定
CLOCK_OVAL_RADIUS = CANVAS_SIZE / 2

R = CLOCK_OVAL_RADIUS*0.95
X0 = CANVAS_HEIGHT/2
Y0 = CANVAS_WIDTH/2

Color_Lst =["blue", "orange", "red", "green", "purple"]

class POV(tk.Frame):
    def __init__(self, master=None):
        super().__init__(master)
  
        self.frame0= tk.Frame(self.master, bg="white") 
        self.frame0.pack()
        
        # キャンバスの中心座標を覚えておく
        self.center_x = CANVAS_WIDTH / 2
        self.center_y = CANVAS_HEIGHT / 2     
        
        # 変数定義
        self.timer_on = False
        self.ovalhand_lst = []
        self.after_id = 0    
        self.rad =0
    
        self.create_widget()
        self.create_button()
        self.draw_hand10()
        
    def create_widget(self):
        self.canvas = tk.Canvas(self.frame0, width = CANVAS_WIDTH, height = CANVAS_HEIGHT, 
                                     bg=BG_COLOR, highlightthickness=0)
        #gridは3x3       
        self.canvas.grid(column=0, row=0, columnspan=3, padx=0, pady=0,
                         sticky=tk.NSEW,
                         )  

        # 時計の盤面を表す円を描画する
        x1 = self.center_x - CLOCK_OVAL_RADIUS
        y1 = self.center_y - CLOCK_OVAL_RADIUS
        x2 = self.center_x + CLOCK_OVAL_RADIUS
        y2 = self.center_y + CLOCK_OVAL_RADIUS

        self.canvas.create_oval(
            x1, y1, x2, y2,
            fill="black",
            width=2,
            outline="gold"
        )

    def draw_hand10(self):
        for j in range(10):
            rad_s = (math.pi/180*36)*j
    
            #20個のLEDを模した円を並べる
            for i in range(1,21):
                xa = X0 + R*math.cos(rad_s + self.rad)*0.05*i
                ya = Y0 + R*math.sin(rad_s + self.rad)*0.05*i
                #
                xb = xa-5
                yb = ya-5
                xc = xa+5
                yc = ya+5

                oval_hand =self.canvas.create_oval(xb, yb, xc, yc, fill = "white", outline = "", width = 3)
                self.ovalhand_lst.append(oval_hand)

    def rotate_hand10(self): 
        #円を10個に分割
        for j in range(10):
            rad_s = (math.pi/180*36)*j

            for i in range(20): 
                xa = X0 + R*math.cos(rad_s + self.rad)*0.05*(i+1)
                ya = Y0 + R*math.sin(rad_s + self.rad)*0.05*(i+1)
                #
                xb = xa-5
                yb = ya-5
                xc = xa+5
                yc = ya+5
                #
                k = j%5
                rcol = Color_Lst[k]
                its = j*20 +i
                
                self.canvas.coords(self.ovalhand_lst[its], xb, yb, xc, yc)
                self.canvas.itemconfig(self.ovalhand_lst[its], fill =rcol, outline = "")
        
            #1度ずつふえる 36度まで。その後0度に戻す
            if self.rad < math.pi/180*36:
                self.rad += (math.pi/180)
            else:
                self.rad =0

        #afterメソッドで、1ミリ秒後に繰り返す。5とか6の方がそれっぽいか？
        self.after_id = self.after(1, self.rotate_hand10)

    def create_button(self):
        # スタート/ストップボタン
        self.start_button = tk.Button(self.frame0, width=20, height=1, text="スタート/ストップ", fg = "gray20",
                                 font=("MSゴシック体", "14"), command=self.start_button_clicked)
        self.start_button.grid(column=0, row=2, columnspan=3, sticky=tk.NSEW)        

    #startボタンを押した時
    def start_button_clicked(self):
        if self.timer_on == False:
            self.timer_on = True

            self.rotate_hand10()
 
        elif self.timer_on == True:
            self.timer_on = False
            #更新をキャンセル
            self.after_cancel(self.after_id)

if __name__ == "__main__":
    app = tk.Tk()
    POV(app)
    app.mainloop()