Why is my calendar only showing blue lines

[Android Central Question]

I was thumbing through my calendar when all appointments changed to blue lines. The information is still there when I tap a date. How can I return to seeing all appointments across the month?

 

[Android Central Question]

I was thumbing through my calendar when all appointments changed to blue lines. The information is still there when I tap a date. How can I return to seeing all appointments across the month?

 

[belodion]

Note that posting once is enough. Threads merged.
What phone? What calendar app?