Q:

Can you see a ceiling projection clock during daytime hours?

A:

Quick Answer

The projection of a ceiling projection clock with high brightness can be seen during daytime and even when indoor areas are well-illuminated. However, the projection generated by projection clocks with low brightness can be seen only in a dark room.

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Full Answer

A projection clock with low brightness contains a projector with a red LED backlight, whereas the high-brightness clock uses a halogen bulb.

However, a low-brightness projection clock can be seen during the daylight if it contains an ordinary LED light or an LCD display in addition to the red-LED backlight.

To make the display clear, the clock must be positioned between 18 inches and 12 feet from the ceiling.

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