Year

Year 2020 is 4.75% complete.
4.751522822920645%

Month

Month 2020-1 is 56.09% complete.
56.09864346723658%

Day

Day 2020-1-18 is 39.05% complete.
39.05775025177364%

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

For example