import PySimpleGUI as sg
import datetime
sg.theme("Black")
def getTime():
    return datetime.datetime.now().strftime('%-m/%-d(%a)%H:%M:%S').replace("Sat", "土").replace("Sun", "日").replace("Mon", "月").replace("Tue", "火").replace("Wed", "水").replace("Thu", "木").replace("Fri", "金")
 
layout = [[sg.Text('', size=(19, 0), key='_time_')]]
window = sg.Window('Simple Clock', layout, location=(
    1777, 1055), grab_anywhere=True)
while True:
    event, values = window.Read(timeout=1000)
    if event == sg.WINDOW_CLOSED:
        break
    window.FindElement('_time_').Update(getTime())
window.Close()