A simple, interactive date wheel to measure the number of weeks between dates. Schedule an event, estimate a project deadline, or see how many weeks you have until vacation.

Works exactly like a paper date wheel.

Finding a date in the future:
- Rotate inside to align starting date (red arrow)
- Look at date above the number of weeks

Measuring time until future date:
- Rotate inside to align starting date (red arrow)
- Look at number of weeks below future date


Other features:
- Changes display on leap years to account for extra day
- Information icon to show/hide instructions on screen
- Pinch to zoom in and out