Year

Year 2019 is 64.31% complete.
64.31388022537392%

Month

Month 2019-8 is 73.37% complete.
73.37310926173124%

Day

Day 2019-8-23 is 74.56% complete.
74.56640092491459%

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

For example