kot.py

import urllib3
from bs4 import BeautifulSoup
from dateutil import parser
my_date = '26/05/2016'
dt = parser.parse(my_date)

url_to_scrape = "http://www.analogman.com/kotdelay.htm"

http = urllib3.PoolManager()

r = http.request('GET', url_to_scrape)

soup = BeautifulSoup(r.data,"html.parser")

ps = soup.find_all('b')

for p in ps:
    x = parser.parse(p.string)
    print dt - x
print dt, x