Showing age in years instead of days

I am setting up character ‘start’ dates based on the first event of my novel, using relative dating. So the main character has a constraint with an offset of 10 years. (She is 10 years old at the start of the novel.) But in the sidebar, her age is listed as 3631 days. I want to have days on the timeline, but it doesn’t make any sense to have days as the age. I can’t find a way to fix this. Any advice?

Here is my timeline but the format for the timeline and character are one and the same. You can look at custom timescale and check your settings. I suggest making a backup before playing with this in case you get an unintended result.

Thanks. I’ll compare our settings and see if that helps.