Year

Year 2020 is 4.75% complete.
4.7540652629103%

Month

Month 2020-1 is 56.12% complete.
56.12866067221105%

Day

Day 2020-1-18 is 39.98% complete.
39.988294028743546%

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

For example