Year

Year 2020 is 4.75% complete.
4.751655190006064%

Month

Month 2020-1 is 56.1% complete.
56.10020625335977%

Day

Day 2020-1-18 is 39.1% complete.
39.10619716423306%

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

For example