![Christmas red ornaments candle clock gift baubles. Candle with gift, baubles and clock on the red background. | CanStock Christmas red ornaments candle clock gift baubles. Candle with gift, baubles and clock on the red background. | CanStock](https://cdn.w600.comps.canstockphoto.com/christmas-red-ornaments-candle-clock-stock-images_csp42426357.jpg)
Christmas red ornaments candle clock gift baubles. Candle with gift, baubles and clock on the red background. | CanStock
![Before the invention of clocks, "candle clocks" were used. They would burn for set amount of hours. If one wanted an alarm, you would stick a nail into the desired time length Before the invention of clocks, "candle clocks" were used. They would burn for set amount of hours. If one wanted an alarm, you would stick a nail into the desired time length](https://i.redd.it/9vkc2w4eo3h61.png)
Before the invention of clocks, "candle clocks" were used. They would burn for set amount of hours. If one wanted an alarm, you would stick a nail into the desired time length
![Candle clock using Roman numerals to mark the passing of hours. The numerals are from 1 to 8 Stock Photo - Alamy Candle clock using Roman numerals to mark the passing of hours. The numerals are from 1 to 8 Stock Photo - Alamy](https://c8.alamy.com/comp/BJR00N/candle-clock-using-roman-numerals-to-mark-the-passing-of-hours-the-BJR00N.jpg)