Daylight saving time begins with „spring forward” which means that clocks are adjusted forward an hour. This was implemented to effectively use the sunlight. However, this process is so complicated that it is tough to answer the question if it is truly profitable. In this essay, I would like to shed some light on the pros and cons of daylight saving time. One of the central points is as follows, daylight saving time has a favorable impact on local tourism and business due to longer evenings. After work people have enough time to go to the shops, restaurants, pubs, discos. When using the cars drivers are contributors to the growth of gas and snacks sales. This brings us to another issue. Due to longer evenings, people spend their time more actively.