There are several steps that need to be done in the theme editor.
- Select the Data--Time
- At the bottom where it says MORE, set it to h_12
- Add another element DATA.
- Change its DATA Source to TIME.
- At the bottom where it says MORE, set it to m
- Add a 3rd element DATA
- Change its DATA Source to APM.
You will have to adjust font sizes, positions and colors.