Year

Year 2020 is 4.75% complete.
4.751763594959695%

Month

Month 2020-1 is 56.1% complete.
56.101486131636804%

Day

Day 2020-1-18 is 39.14% complete.
39.14587383522814%

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

For example