Can you find the error in the picture?

Visual Challenge Image – Source: spm
The brain is an organ that needs to be trained regularly, just like any other muscle in the body. Fortunately, there are many tests and exercises that are able to improve brain activity by enhancing memory, observation, focus and logical thinking. As a bonus, these visual challenges benefit both the younger, to boost their brain’s potential, and the elderly, to prevent the signs of aging from affecting their mental activity. So much so that in recent years, these tests have proliferated on the Internet, especially on social networks. Every day, new puzzles, optical illusions or riddles are revealed, to delight the netizens, who are passionate about challenges and competitiveness.
Well, now is the time to take on this new challenge. It must be said that it is full-bodied, because the majority of the people tested failed to find the error in the particular image. Especially since you only have 20 seconds to try to solve the puzzle. As you can see, the illustration is quite ordinary: it is a desk with a number of items, such as books, files, pen holder, calendar, telephone …
Your goal is simple: you must locate the error that has slipped into this ornament. Because yes, there is something wrong with this illustration. Admittedly, the time imposed is very short, but if you improve your concentration and if you use your intelligence, you will be able to spot the error quickly. Good luck to you!
Here is where the error in the picture hides

Visual Challenge Solution – Source: spm
Were you able to identify the error in the image in less than 20 seconds? If so, we congratulate you for your analytical thinking and sense of deduction. This is not the case for the majority who have focused on other elements, without being able to discover the obvious.
In fact, the problem was in the calendar date. June only has 30 days! Therefore, the number 31 is wrong. Admittedly, in such a short time, it was not easy to spot this error, especially since the mind might be fooled by the profusion of items on the desktop. But once we figure out the answer, we realize the error was glaring in the end.
It’s okay if you don’t get it right the first time. Above all, don’t get discouraged and train as much as possible. In addition to keeping your mind active and putting your thoughts in order, it is a particularly entertaining exercise that will also help you relax and release the stresses of everyday life. These visual puzzles abound on social networks in different forms and are more attractive than ever. Feel free to practice regularly and challenge your loved ones.