Year

Year 2019 is 95.5% complete.
95.50070626387006%

Month

Month 2019-12 is 47.02% complete.
47.024426620791026%

Day

Day 2019-12-15 is 57.75% complete.
57.757349468165806%

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

For example