1. Take a stick which is a little over a meter long and fix vertically in the ground.
2. Make your first observation at nine in the morning. Make a mark with a nail or peg at the point where the tip of the shadow falls on the ground. Measure the length of the shadow.
3. Then make similar observations for every half an hour throughout the day till four in the evening.
4. Use a clock to fix the time for making your observations.
5. Enter the measurements of the length of the shadow and the time of measurement in a table making two columns, one for time and other for length of shadow.
6. Find the time when the shortest show occurs.
7. That gives the local noon time at that place.
