To whom it may concern,

The clock in your hands is a official sundial with direction using summer orientation. In other words, by the means of apparent motion of the sun the local apparent solar time (LAT) as well as the national official time (LMT) can be computed with a precise accuracy, especially for the first six month of the year.

In order to read the time using this sundial, turn the dial in a balanced manner in north direction under the sun light. Then, the intersection of the shadow of a hanging gnomon in the center of the dial (such as a piece of yarn or your finger) and the circles of the specific day and the month, national official time can be interpreted. This can be read based on the timely graphs for summer (in red) and winter (in blue). Furthermore, in case of having a static rectangular gnomon, which could be attached to the center of dial, the solar time can be also interpreted. By facing the dial to the north direction and intersecting the shadow of the triangle cord and the most outer black circle, the solar time can be found in addition to the national official time. Mapping from solar time to national official time is also possible.

In this type of sundials, the benefit of compass such as finding Qibla direction as well the religious time is also possible. Also, familiarizing the user by the concepts such as phase of the month, rainbow, constellations, the possibility of observation of the sun azimuth, are considered.

We hope this educational and cultural product, which can be challenged based on the age of the users, attract your satisfaction.

Thanks,

Father and daughter