Year

Year 2020 is 4.75% complete.
4.754564596834951%

Month

Month 2020-1 is 56.13% complete.
56.134556036045765%

Day

Day 2020-1-18 is 40.17% complete.
40.17105235464478%

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

For example