import json
from PIL import Image, ImageDraw

with open("dates.json") as fp:
    dates = json.load(fp)

dates.sort()

print(dates[:10])

new_dates = []

for date in dates:
    new_dates.append(int(date/86400)-int(dates[0]/86400))

print(new_dates[-1])

im = Image.new("RGB", (new_dates[-1]+1, len(new_dates)))
draw = ImageDraw.Draw(im)

currentpixel = 0
totalMember = 0

for date in new_dates:
    totalMember += 1
    for i in range(currentpixel, date-currentpixel):
        draw.line((im.height, im.height-totalMember, i, im.height-totalMember), fill=(0, 180, 0))
    currentpixel = date
    draw.line((im.height, im.height-totalMember, currentpixel, im.height-totalMember), fill=(0, 180, 0))

im.save("output.png", "png")