Year

Year 2020 is 4.84% complete.
4.842686298850855%

Month

Month 2020-1 is 57.17% complete.
57.17496100248505%

Day

Day 2020-1-18 is 72.42% complete.
72.42396757016822%

This site Dividing the year, month, day into 100 pieces and show the progress bar for you.

For example