Year

Year 2020 is 4.75% complete.
4.759538581683804%

Month

Month 2020-1 is 56.19% complete.
56.193281167555455%

Day

Day 2020-1-18 is 41.99% complete.
41.99155182235157%

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

For example