... Hours of Day, Hours of Night | Scandinavian Daymarks | The Midday Daymark | ... How Daymarks Work | ... H ow would we measure time without a clock? ... Can we tell what time it is by looking at the position of the Sun? ... Midday was the most important daymark, since it divided the Sun's path in half, but there were seven other daymarks in all, and each of these had names, too. ... If during the winter the Sun is only above the horizon around Midday, then no one can tell what daymark it is at. ...