The first issue of Journal of Maps this year brings a new paper entitled „Temporality of urban space: daily rhythms of a typical week day in the Prague metropolitan area“ by Jiří Nemeškal, Martin Ouředníček and Lucie Pospíšilová. The paper focuses on identification, analysis and explanation of daily rhythms in cadastral units of the Prague Metropolitan Area which are influenced by commuting of inhabitants to work, services and free-time activities. Mobile phone location data on time-space population mobility are used to define and cartographically produce a typology of cadasters according to the predominant use during a working day.