What are the numbers inside the circle? September 17, 2019 14:55 Updated The numbers in the circle are the day of the month, 1 = first of the month, 15 = fifteenth. Related articles What are the numbers below the circle? What do the filled in pink circles indicate? How Do I Apply My Garmin Workout to My Planned Workout? Why are my prescribed paces too hard or too easy? Does Run With Hal have audio cues while using the GPS tracker?