Year

Year 2020 is 4.75% complete.
4.751452485511744%

Month

Month 2020-1 is 56.09% complete.
56.09781303173802%

Day

Day 2020-1-18 is 39.03% complete.
39.03200646296926%

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

For example