The Punch card graph shows the frequency of updates to a repository based on the day of week and time of day. The size of the black circle indicates commit frequency. Merge commits aren't included in this graph.

Repository punch card graph

Accessing the Punch card graph

  1. On GitHub, navigate to the main page of the repository.

  2. Under your repository name, click Graphs. Repository graphs icon

  3. Click the Punch card tab. Punch card tab