This new version of the calendar, each date shows your current Booking.com price for the room and rate type selected at the top.
Dates with a meaningful event have a red dot.
If you wish to know more about a particular date, simply click on that date. You’ll then be able to see, on the right sidebar:
Your competitors detailed prices in Ranking
A weather forecast up to 5 days in Weather
Meaningful events in your area in Events