How to find out the calendar date?

If you have a smart watch, then you probably noticed that it is very convenient to find the current date from them. Just look at the screen.

But even if you don’t have such a watch, then you probably have a smartphone. The current date is constantly displayed on its screen. The calendar becomes clear and understandable even for a child.

But if you do not have a smartphone, then, of course, there is a computer. In the Windows operating system, the date is constantly written in the lower right corner of the screen. To look at the calendar, just click on it!

The situation was completely different in antiquity. People resorted to various tricks to look at the calendar. They even made notes on paper or stone tablets!