Urban planning traditionally organises space. Zoning maps, densities, transport corridors and land-use diagrams describe where things are located. Everyday urban life, however, unfolds through distance and time: how long it takes to reach work, services and social life. Cities operate in spatio-temporal dimensions, where participation depends on proximity and temporal accessibility. For someone living in a neighbourhood well served by public transport, the map of possibilities and places the city offers expands.
Increasing attention is directed towards the organisation of time and towards saving valuable resources such as one’s lifetime. Concepts such as the chronotope, developed by Mikhail Bakhtin in 1937, describe the interdependence of time and space. While discussed in literature and philosophy, it remains less emphasised in spatial planning. Landscape architecture designs with time, seasonality and the process of unfolding in a place, yet here we touch on the concepts of personal, social and institutional temporalities that construct urban time, shaped by mobility, absence and presence. As many inhabitants as there are in a city, there are multiple time–space trajectories. These overlapping rhythms produce a spectral urban temporality in which accessibility to activities, rather than geometric proximity, determines how individuals experience the city.
The Industrial Rhythm of the Modern City
The temporal organisation of modern cities is closely tied to the emergence of industrial capitalist society. Mechanical clock-time introduced a universal system of coordination that detached time from local activities and natural cycles. Work, mobility and everyday routines increasingly became synchronised around shared schedules. In his essay Time, Work-Discipline and Industrial Capitalism (1967), historian E. P. Thompson described how industrialisation replaced task-oriented labour with a regime of measured hours. Productivity was no longer defined by the completion of work but by the duration of labour itself.
Urban infrastructures, particularly transport systems, reinforce these rhythms by synchronising mobility with institutional schedules. The experiential consequences of this synchronised urban life were famously captured by Jacques Tati in Playtime (1967). Office workers circulate through identical glass buildings, elevators open and close at regular intervals, and crowds move through airports and transport terminals according to invisible schedules. The humour arises from watching individuals struggle inside these rigid systems.
Yet technological advance has begun to loosen these rigid cycles. As Aharon Kellerman observes, contemporary cities increasingly experience a process of de-cycling of time: electricity, digital infrastructures, global communication networks and twenty-four-hour services blur the traditional boundaries between day and night, working time and leisure.
Multiple Urban Temporalities and Cities as Rhythmic Systems
The concept of urban time gained prominence in the 1980s through feminist time-policy debates, which exposed conflicts between institutional schedules and everyday life. Standard working hours, school timetables and administrative routines often clash with care responsibilities and domestic labour. What appear as neutral temporal structures are therefore also social arrangements that privilege certain rhythms of life over others.
Institutional time is structured through schools, hospitals, opening hours and transport schedules. Social time forms around rituals, leisure and everyday practices. Their interaction produces temporal frictions that shape how individuals access and experience the city.
Urban spaces reflect these differences. Some environments are monochronic, organised around a single activity within a limited period of the day, such as office districts or specialised facilities. Others support overlapping rhythms, for example, third places, a concept introduced by sociologist Ray Oldenburg to describe social environments distinct from home (“first place”) and the workplace (“second place”). Cafés, neighbourhood bars, libraries or public squares allow informal sociability to unfold outside institutional schedules, within their own rhythmicities.
If urban life unfolds through multiple temporalities, the city can be understood as a composition of rhythms. Philosopher Henri Lefebvre described urban environments as polyrhythmic: spaces where movements, activities and pauses overlap and interact. In Rhythmanalysis and Writings on Cities (1996), Lefebvre suggested that understanding the city requires sensitivity to these rhythms:
“If one attentively observes a crowd during peak times and especially if one listens to its rumour, one discerns flows in the apparent disorder and an order which is signalled by rhythms… The rhythmanalyst thus knows how to listen to a place, a market, an avenue.”
Places acquire their own temporal character through the rhythmic presence and absence of people and activities. Districts where residential and working functions overlap remain active throughout the day, while monofunctional areas experience long periods of evacuation.
Infrastructure as Pacemaker
In the article Urban Rhythms: A Chronotopic Approach to Urban Timespace, the authors characterise the differentiation of urban space based on the rhythmicity of activities such as work, shopping and public transport, developing the concept of urban chronotopes. The chronotope is a unity of time and space, describing a temporality associated with a specific place. They recognise local, supra-local and citywide pacemakers, collectively shared and stable sources of particular rhythms, such as institutions, structures, technologies or activities that set the timing for a given urban environment. “Spatialization of time takes place either through a multiplicity of durations, cycles and rhythms and their reflections in the form of social or physical structures.”
Measuring Urban Time: Mirror or Imposition
Observing urban rhythms directly, as Lefebvre suggested, remains largely experiential. Such observations reveal patterns of movement and activity, yet they offer limited possibilities for systematic comparison between cities.
In A Tale of Two Cities: The Comparative Chrono-Urbanism of Brno and Bratislava Public Transport Systems, researchers propose a more analytical approach. They describe chrono-urbanism as a field concerned with the organisation of urban time and introduce a method of spectral analysis to decompose urban rhythms into observable temporal patterns.
As the public transport is one of the local pacemakers structuring urban time, their study examines timetables to understand when and how quickly a city wakes, works, returns home and eventually goes to sleep. By analysing the frequency and distribution of services throughout the day, the researchers compare the temporal organisation of two similar-sized cities, Brno and Bratislava. Such analysis reveals how institutional systems structure everyday rhythms.
Yet this raises a central question: do these infrastructural rhythms reflect existing patterns of urban life, or do they actively impose them?
Mapping Time Instead of Distance
One tool that visibly regionalises the rhythmicity of urban space is the isochrone map. Isochrone maps represent areas that can be reached within equal travel times from a given location at a given moment. Rather than measuring distance in kilometres, they measure the city in time.
Journey Spectrum, an application developed by Zdravko Atanasov, visualises the temporal geography of cities through public transport accessibility. Using official timetable data, transfers and walking segments, the application generates isochrone maps that reveal the uneven temporal reach of urban places at a given time. High-frequency rail or metro corridors extend outward in elongated zones of accessibility, while neighbourhoods dependent on slower or indirect connections appear temporally distant even when geographically close.
Such maps are produced through accessibility modelling, which combines timetable information, transfer times and walking distances to simulate how people move through transport networks. Increasingly, these analyses rely on GTFS (General Transit Feed Specification) data, the standard format used by public transport agencies to distribute routes, stops and schedules.
Thirty minutes later, a completely different image of the city emerges. Because the bus has left. Planning mobility infrastructures is therefore not only a matter of connecting places in space but also of organising the temporal accessibility and the rhythm of the city.
Planning the City Through Time
Attempts to reorganise cities around temporal accessibility have emerged in several planning frameworks. One influential approach is Transit-Oriented Development (TOD), popularised by urbanist Peter Calthorpe in the early 1990s. The model proposes compact, mixed-use neighbourhoods organised around public transport nodes, where housing, employment, retail and services are located within walking distance of stations. Although usually described as a spatial planning strategy, TOD also operates as a temporal one. Its underlying premise is that everyday destinations should remain reachable within reasonable travel times without reliance on the private car. Public transport corridors organise urban accessibility.
Chrono-urbanism has been utilised by municipalities in urban policies such as the 15-minute city, proposed by urbanist Carlos Moreno. The model builds on ideas of “walkability” and on Jane Jacobs’ observations of urban life presented in The Death and Life of Great American Cities. The concept was implemented most prominently in Paris under mayor Anne Hidalgo in 2020. Since then, it has gained considerable traction and spurred urban transformations at multiple levels, from converting sections of the highway along the Seine into a car-free linear park with bicycle lanes to implementing “a wide range of public investments across transportation, sustainability and new programs to strengthen neighbourhood-level governance”. The concept is, however, often easier to realise in newly developed areas, “networked urban villages” associated with the principles of New Urbanism, than by retrofitting public transport and other amenities in economically underdeveloped districts or in territories shaped by urban sprawl.
The 15-minute city has since influenced urban policies in Europe, China, Singapore, Dubai, the Philippines, the Americas and elsewhere, particularly after the COVID-19 pandemic and the expansion of remote work. The model has often been described as a “return to a local way of life”. One might add: a local way of time.
Time as a Question of Justice
The “local way of time”, however, is not equally suitable for all urban inhabitants. Many service workers, night-shift employees, students or residents of dispersed metropolitan territories remain dependent on longer and more fragmented mobility networks.
French sociologist François Ascher, in Multimobility, Multispeed Cities: A Challenge for Architects, Town Planners and Politicians, observed that contemporary metropolitan life is characterised by increasing differentiation in mobility speeds and patterns. As communication technologies accelerate the circulation of information and goods, they also intensify the movement of people across expanding urban territories. In what Ascher describes as a choice-oriented society, individuals increasingly attempt to organise their activities flexibly—deciding what they do, when they do it, with whom and where. Yet this autonomy depends heavily on access to mobility infrastructures. The capacity to move across the city and engage in different temporalities becomes a key condition for participating in economic and social life.
He observes that dispersal and polarisation of the city are accompanied by new “metaurban” spaces of transit and mobility, hyperplaces that allow multiple simultaneous encounters across different social levels and multidirectional movements through the metropolitan network. Retrofitting dispersed, low-density territories into neighbourhood-centred lifestyles, Ascher argues, is largely illusory. What becomes essential instead is the right to mobility, which increasingly represents a challenge for contemporary democracies. Urban mobility becomes inseparable from the question of justice.
Conclusion
Each place can be described through a spectral analysis of the temporal dimension, producing a certain chronotope, a temporal mask and a cyclical rhythm of a locality. By analysing chronotopes, we can gain a better understanding of how a place functions, which social groups use it at what times and which pacemakers produce its temporal image. By looking at a locality and the city through a time lens, we can understand which places are underutilised and why. Their pulsating rhythms, shaped, for instance, by the intensity of public transport and the concentration of retail, are reinforced by the continuous flows of arriving and departing people. By contrast, mono-functional urban districts tend to operate at lower rhythmic frequencies.
Chrono-urbanism raises questions about the traditional notion of synchronised, linear and universal time and destabilises it by emphasising local time: heterogeneous, discontinuous and fragmented multiplicities of time that shape a different, polyrhythmic understanding of space. Chrono-urbanism also brings attention to the inequalities produced by accelerated metropolitan life: fragmented schedules, uncertain routines, growing time pressure and the increasing difficulty of coordinating everyday activities across dispersed urban territories.
The time-mapping tools show discrepancies and underserved places, yet if technology allows individuals to desynchronise and resynchronise as they please, what kind of space is still bound with time and what kind of space allows one to decouple? One may observe that being together binds us more tightly to time; when alone, time becomes malleable.
