Disclosed is a timepiece from which a sunrise and sunset time along with
the position of the sun can be determined. The sunrise time and the sunset time
are changed according to the season and the latitude of the place where one man
the time. People acquire the sunrise and sunset time from the news of a television
or a newspaper. According to the enlargement of cities, underground activities
and the degree of building closure are increased to shield the sun. The timepiece
of the present invention comprises a circular hour plate which rotates once per
24 hours. Also included is a sunrise and sunset time designating section (21)
for indicating the sunrise time and the sunset time for each month. Through the
timepiece of the present invention, the present time, the position of the sun at
the present time, the sunrise and sunset time can be appreciated. In particular,
the external state of the day or night can be easily distinguished by the people
in the underground and in a closed building, through using the timepiece of the
present invention.
