wyh_bot/wyh_bot.py

#!/usr/bin/env python3

import logging
import telegram.ext
from telegram.ext import Updater
from time import localtime, sleep

def callback(context: telegram.ext.CallbackContext):
    if 0 <= localtime().tm_hour < 8:
        context.job.enabled = False
        return

    context.bot.send_message(chat_id='<CHAT_ID>', 
                             text='Did you wash your hands recently?')

logging.basicConfig(format='%(asctime)s - %(name)s - %(levelname)s - %(7message)s',
                     level=logging.INFO)

updater = Updater(token='<BOT_TOKEN>', use_context=True)

job_queue = updater.job_queue
job_hour = job_queue.run_repeating(callback, interval=3600, first=0)

updater.start_polling()

while True:
    if  localtime().tm_hour >= 8 and job_hour.enabled == False:
        job_hour.enabled = True

    sleep(300)