Year

Year 2020 is 4.75% complete.
4.751220684379152%

Month

Month 2020-1 is 56.09% complete.
56.09507628194701%

Day

Day 2020-1-18 is 38.94% complete.
38.94716626917673%

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

For example