Do you have to color every daily picture that day in the year in order to achieve the fancy unicorn..

Do you have to color every daily picture that day in the year in order to achieve the fancy unicorn achievement because I didn't start coloring until mid-march but went back colored all the previous ones for 2019 finished every daily up until December 31st of 2019 and never received my achievement is the problem that I need to do it every day for that day to receive the achievement