本发明涉及能够通过改变光的颜色来通知时间的时钟。 时钟包括：窗框，其围绕内部存储空间，前部具有开口; 输送带，其安装在窗框的内部存储空间中，并且旋转具有不同颜色的天空的输出以区分夜间的白天; 一个安装在传送带两端的定时开关，带有马达，以一定间隔在二十四小时内旋转皮带一次; 一个半透明的亚克力安装在窗框上的敞开的前面; 安装在传送带下部的导光板; 安装在导光板下部的反射膜; 安装在反射板的下部的散热器板; LED灯安装在导光板的两侧，并将LED灯闪烁到导光板; 以及控制器，其通过设置时间来控制LED灯的放电光的体积。 本发明可以为留在贫民窟或贫民窟地区的人们提供一个虚拟的窗口，通过放松生活极度贫困的居民的嗜睡，沮丧和抑郁来提供心理上的稳定，舒适和愉悦。 此外，本发明可以应用于诸如医院，办公室和幼儿园的任何其他建筑物，其需要更多的窗户以及诸如电梯的其他封闭空间。

The present invention relates to a watch, around the inner accommodation space the front is installed to said opening sash frame, the sash frame, the inner housing space conveyor belt, said conveyor to one another to distinguish night and day rotate the output with other sky color the light guide plate is installed on the belt at both ends, which is installed on a semi-transparent acrylic, the conveyor belt below, which is installed on the opening face of 24 hours the conveyor belt is a timer switch, the window frame provided with a motor such that one wheel rotating at a constant interval frames for is provided on the heat sink, the light guide plate on both sides, which is installed on the reflective film, the reflective film, the bottom which are mounted to the light guide plate lower portion for controlling the output amount of the LED lamp and the LED lamp for irradiating the LED light towards the light guide plate as set unit of time that tells the time to the color change of the light made by a controller Relates to a clock, manjak home or jihabang, jjokbang including those who live in places that are included in the "poverty housing acids' or space of gosiwon resident youths currently living in the metropolitan area of ​​which 20 single residential i have intensified due to recent chwieopnan also able to get a sense of psychological ventilated mining could not be solved by a fan in the ceiling by providing a window to relieve the tightness and also lethargic, depressed and provide peace of mind, comfort and comfort of nature. In addition, as well as poverty housing residents, in addition to education and the public sector, such as commercial buildings, such as kindergartens and medical fields such as hospitals and office buildings, and can be applied to any lack of windows, etc. It is possible to apply elevator.