Year

Year 2019 is 79.49% complete.
79.4975983495498%

Month

Month 2019-10 is 55.37% complete.
55.37493930284636%

Day

Day 2019-10-18 is 16.62% complete.
16.62266986660028%

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

For example