An international journal devoted to investigations of daylighting in buildings. It is the leading journal that publishes original research on all aspects of Energy, buildings, and lighting.
RESEARCH ARTICLE
Tropical climates with partially cloudy skies are characterized by high luminance on the glass façades of high-rise buildings, which is a significant challenge as it causes glare and eyestrain among workers..
Journal of Daylighting 13 (2026) 214-226
RESEARCH ARTICLE
Generative Artificial Intelligence (GenAI) is increasingly adopted in architectural design and widely investigated in the research field. However, several limitations hinder its broader integration into design processes.
Journal of Daylighting 13 (2026) 196-213
RESEARCH ARTICLE
This study explores the relationship between glare and visual comfort in office environments in relation to daylight conditions in office spaces. The research combines three approaches: field measurements of illumination, user surveys to assess visual comfort, and 3D daylight simulations using Rhino and DIVA software, which studied 21 participants (13 men and 8 women) working in 14 office rooms with window orientations.
Journal of Daylighting 13 (2026) 167-195
RESEARCH ARTICLE
Institutional kitchens often experience inadequate thermal comfort and indoor air quality (IAQ) due to intense heat generation and pollutant emissions from cooking activities, increasing workers’ exposure to heat stress and related health risks. .
Journal of Daylighting 13 (2026) 143-166
RESEARCH ARTICLE
The residential building sector in Afghanistan (AFG) is a significant contributor to energy consumption and greenhouse gas (GHG) emissions, exacerbated by non-adherence to architectural standards and a critical lack of localized energy-efficiency (EE) research.
Journal of Daylighting 13 (2026) 124-142
RESEARCH ARTICLE
Illumination of dairy barns impacts animal health, milk production, and building energy efficiency. The aim of this study was to assess the existing daylighting and electric lighting conditions of dairy barns located in Southern Sweden.
Journal of Daylighting 13 (2026) 108-123
RESEARCH ARTICLE
Daylighting is a key aspect of educational building design, supporting both visual comfort and energy efficiency. However, design practice often reduces the role of windows to aperture ratios, with limited attention to the influence of window geometry on daylight performance.
Journal of Daylighting 13 (2026) 97-107
RESEARCH ARTICLE
Global climate action necessitates the optimization of building envelopes during early design to enhance energy efficiency and occupant comfort. Exterior light shelves are a critical passive strategy for improving thermal and visual comfort while simultaneously reducing energy consumption.
Journal of Daylighting 13 (2026) 76-96
REVIEW ARTICLE
With the growing urgency to reduce carbon emissions in the built environment, enhancing daylight availability in historic buildings has become a critical and challenging task due to the required balance between environmental sustainability objectives and cultural heritage conservation principles.
Journal of Daylighting 13 (2026) 57-75
RESEARCH ARTICLE
In tropical climates, where cooling loads dominate building energy use, minimizing cooling demand is particularly critical for achieving carbon neutrality in educational buildings while maintaining adequate daylight and visual comfort.
Journal of Daylighting 13 (2026) 44-56
RESEARCH ARTICLE
Designing daylight-based spaces has gained increasing attention due to its numerous benefits and alignment with global sustainability standards. However, limited research has focused on how architectural layouts affect daylight distribution and visual quality, particularly in educational environments.
Journal of Daylighting 13 (2026) 20-43
RESEARCH ARTICLE
The limited research on obstruction-driven daylight reduction continues to hinder efforts to optimize natural daylight in compact mid-rise residential buildings.
Journal of Daylighting 13 (2026) 1-19
RESEARCH ARTICLE
A case of urban densification in heritage towns like Pondicherry has led to deep-plan wall to wall layouts, where the depth of the plot is considerably more than its width and multi-storey buildings with limited access to day light and natural ventilation.
Journal of Daylighting 12 (2025) 548-560
RESEARCH ARTICLE
The increasing demand for energy and the impact of climate change underscore the necessity of energy-efficient building designs. This study optimizes atrium skylights as a passive design solution for Yazd, Iran aiming to enhance thermal and visual comfort.
Journal of Daylighting 12 (2025) 520-547
RESEARCH ARTICLE
The re-functioning of historical buildings frequently necessitates new additions. This is particularly relevant for historical buildings with open courtyards, where interventions often involve the installation of upper covers using contemporary materials and techniques This issue can become especially apparent in historical buildings that are completely enclosed with transparent materials, raising concerns about the greenhouse effect and its potential to compromise indoor comfort.
Journal of Daylighting 12 (2025) 506-519
RESEARCH ARTICLE
In educational architecture, particularly in high-solar climates, achieving a balance between ample daylight and visual comfort is a significant challenge.
Journal of Daylighting 12 (2025) 491-505
RESEARCH ARTICLE
Efficient energy use is vital in architecture, and the building envelope plays a key role in aesthetics, thermal comfort, energy efficiency, and natural lighting.
Journal of Daylighting 12 (2025) 441-467
REVIEW ARTICLE
Outdoor urban spaces are essential to residents’ well-being, yet their thermal comfort is increasingly compromised by urbanization and climate change. .
Journal of Daylighting 12 (2025) 468-490
RESEARCH ARTICLE
Lighting is a key element of design that plays a significant role in affecting workers’ health and safety in industrial workspaces. Given the scarcity of scientific studies addressing visual environments in relation to workers health in industrial buildings, this field study was conducted to explore workers' responses to multiple lighting scenarios inside production halls on their occupational health and safety in six factories in Sadat City, Egypt. .
Journal of Daylighting 12 (2025) 420-440
RESEARCH ARTICLE
This study examines the daylighting performance of parametric Mashrabiya-inspired shading devices in a Mediterranean climate, aiming to enhance occupant comfort and visual performance.
Journal of Daylighting 12 (2025) 397-419
RESEARCH ARTICLE
This paper proposes a novel new light shelf design with Altmann linkage using its kinetic principles: geometry and rotational angles. As previous studies explain a light shelf’s design in two ways: static and movable, the proposed one in this study has the potential to track the path of the sun due to its diagonal movement. .
Journal of Daylighting 11 (2024) 391-407
RESEARCH ARTICLE
The significant energy consumption in educational spaces worldwide and its environmental impact greatly influence the quality of space, learning levels, and student comfort.
Journal of Daylighting 11 (2024) 372-389
RESEARCH ARTICLE
This research aims to support the choice of an appropriate dynamic louver shading system (DL-SS) within double-skin facade insulated glazed units (DSF-IGUs) as a high-performance integrated window system (DSF-IGUs/DL-SS) that meets both thermal and energy performance via daylight availability under a tropical climate.
Journal of Daylighting 11 (2024) 349-371
RESEARCH ARTICLE
Energy Optimization in building design field now has been revolutionized due to AI and machine learning applications. Leveraging daylight to reduce artificial lighting consumption holds promise for significant energy savings, yet the nonlinear nature of daylight patterns poses challenges in prediction and optimization.
Journal of Daylighting 11 (2024) 334-348
RESEARCH ARTICLE
Parametric design is one of the thriving contemporary architectural treatments that not only has an influence on the design of building envelopes but is capable of affecting the users physically and psychologically.
Journal of Daylighting 11 (2024) 312-333
RESEARCH ARTICLE
Buildings are one of the leading sources of carbon emissions in the world. Most of the carbon emissions are released during the operation phase of the building.
Journal of Daylighting 11 (2024) 290-311
RESEARCH ARTICLE
The paper describes an array of optical cones as a potential configuration for tracker-less daylighting, without using an electro-mechanical tracker. Subsequently, a single optical cone is analyzed, mainly in terms of sunlight collection efficiency and acceptance angle, as a function of the cone's geometrical dimensions.
Journal of Daylighting 11 (2024) 279-289
RESEARCH ARTICLE
Climate change is an environmental issue that is rapidly escalating due to the effects of global warming. The increase in carbon emissions, along with various human activities such as industrial processes, land use changes, and the reckless consumption of natural resources, are among the primary causes of global warming.
Journal of Daylighting 11 (2024) 268-278
RESEARCH ARTICLE
Passive lighting design plays an important role in providing natural lighting to save electricity consumption in buildings. This study aims to investigate the performance of natural lighting and the potential of alternative designs through sidelights with 3 shading device models and light shelves with different sizes in north, west, east, and south orientations.
Journal of Daylighting 11 (2024) 247-267
RESEARCH ARTICLE
Enhancing daylighting in heritage buildings is a complex challenge that requires a delicate balance between preserving architectural integrity and improving visual comfort.
Journal of Daylighting 11 (2024) 234-246
RESEARCH ARTICLE
This study evaluates the availability of daylight inside a university’s dining halls over two days (one sunny and one cloudy) using light meters in real-life sittings. .
Journal of Daylighting 11 (2024) 216-233
RESEARCH ARTICLE
As smart schools increasingly rely on technology, achieving energy efficiency becomes crucial for cost reduction and sustainability. This study investigates energy efficiency strategies in smart schools, focusing on the integration of renewable energy technologies.
Journal of Daylighting 11 (2024) 203-215
RESEARCH ARTICLE
Climate change and improving building energy performance are significant contemporary concerns. Conversely, climate-adaptive building envelopes (CABEs) offer promising solutions to enhance structural performance amidst fluctuating environmental conditions.
Journal of Daylighting 11 (2024) 181-202
RESEARCH ARTICLE
This paper evaluates how design adjustments applied to roller shades and louvres (namely the height of the shadings head and the angles of the louvre slats) can improve their annual and spatial effectiveness to provide autonomous daylight levels, reduce daylight glare problems, and offer views outside.
Journal of Daylighting 11 (2024) 165-180
RESEARCH ARTICLE
In tropical urban areas, the vertical facades of buildings often play a crucial role in capturing solar radiation and heat, especially for office buildings facing west during the afternoon.
Journal of Daylighting 11 (2024) 131-148
RESEARCH ARTICLE
In recent years, attention has focused on improving the health and satisfaction of employees by enhancing visual comfort in workplaces. This involves providing adequate natural daylight, glare control, and outdoor views.
Journal of Daylighting 11 (2024) 149-164
RESEARCH ARTICLE
Even though the manufacturing industry consumes roughly 54% of total available energy globally, little consideration has been devoted to optimizing energy in the early stages of industry design, particularly in densely populated cities.
Journal of Daylighting 11 (2024) 119-130
REVIEW ARTICLE
The impacts of lighting conditions on human circadian rhythms, sleep quality, and cognitive performance have been extensively investigated in the past two decades; however, these studies have yielded inconclusive and variable outcomes.
Journal of Daylighting 11 (2024) 97-118
RESEARCH ARTICLE
The number of desk workers who frequently conduct their jobs at home has increased dramatically during Covid-19. Work-from-home flexibility makes it attractive for workers and companies, resulting in a “Work-Style Reform” after the Covid-19 pandemic. Ho.
Journal of Daylighting 11 (2024) 69-96
RESEARCH ARTICLE
In office buildings, an efficient design of windows and using light shelves as a passive design strategy significantly influence the thermal and visual comfort of occupants while enhancing the productivity and health of users.
Journal of Daylighting 11 (2024) 55-68
CVs should be submitted electronically to jd@solarlits.com.
Dr Canan Kandilli
Usak University, Turkey
Dr Susana Lagüela López
University of Vigo, Spain
Prof. Barbara Szybinska Matusiak
NTNU, Norway
Dr Guiqiang Li
University of Science and Technology of China, China
Dr Ferdinando Salata
University of Rome, Italy
Prof. Nabil Elminshawy
Port Said University, Egypt
Prof. Önder Güler
Istanbul Technical University, Türkiye
Dr Valerio Roberto Maria LO VERSO
Politecnico di Torino (Polytechnic University of Turin), Italy
Dr Arsenio Barbón
University of Oviedo, Spain
Prof Francesco Asdrubali
University of Perugia, Italy
Prof. Antonio Manuel Peña García
University of Granada, Spain
Dr. Kacem Gairaa
center for renewable energy development, Algeria
Prof. Yuehong Su
University of Nottingham, UK
Prof Laura Bellia
University of Naples Federico II, Italy
Prof Umberto Berardi
Politecnico di Bari, Italy
Dr. Francesco Nocera
Department of Civil Engineering and Architecture, University of Catania (ITALY), Italy
Prof Jitka Mohelnikova
Brno University of Technology, Czech Republic
Dr jian yao
Ningbo University, China
Wei Wang
Southeast University, 中国
Dr Osama Mohamed Omar
University of Bahrain , Bahrain
Dr Petar Pejic
University of Niš, Serbia
Omid Nematollahi
Isfahan University of Technology, South Korea
Dr Doris Abigail Chi Pool
Universidad de las Américas Puebla, Mexico
Dr Vincenzo Costanzo
University of Catania, Italy
Dr. Peng XUE
Beijing University of Technology, China
Dr Mohammed Salah Mayhoub
Al-Azhar University, Egypt
Dr Francesco Sommese
University of Naples Federico II, italy
Dr Rizki A. Mangkuto
Institut Teknologi Bandung, Indonesia
Dr Lim Yaik Wah
Universiti Teknologi Malaysia, Malaysia
Dr Marina Bonomolo
University of Palermo, Italia
RESEARCH ARTICLE
Most power system planners are interested in the savings of electrical power consumption. Various references demonstrate that the highest consumed power is by the lighting systems standing around 19% of worldwide energy consumption.
Journal of Daylighting 7 (2020) 137-153
RESEARCH ARTICLE
Biomimicry inspired architects to solve complex design problems and develop adaptive solutions for enhancing the environmental quality. Fields of inspiration include energy efficiency, natural ventilation, daylighting, and structural stability.
Journal of Daylighting 10 (2023) 1-16
RESEARCH ARTICLE
Advances in research work in the field of numerical analysis of daylight performance have generated in-depth knowledge on photometric measurements of daylight quality.
Journal of Daylighting 5 (2018) 34-42
RESEARCH ARTICLE
Urban geometry is defined by the height, length, width, and distance of buildings, which affect the urban environment and its microclimate, especially a high-rise and high-density urban environment, such as Tehran.
Journal of Daylighting 6 (2019) 42-51
REVIEW ARTICLE
This paper is a literature study of daylight transport systems aiming at selecting the most appropriate ones for application at high latitudes. It is limited to the systems that transport light at a long distance from the façade and distribute it either in the building core or at a rear place in a room adjacent to the façade. .
Journal of Daylighting 6 (2019) 60-79
RESEARCH ARTICLE
Current technological advancement and the requirement for sustainability-driven practices has birthed increased demands for accuracy in performance and assessment of energy consumption in the built environment.
Journal of Daylighting 8 (2021) 50-64
RESEARCH ARTICLE
The main purpose of this study was to explore the effects of lighting and other environmental variables in terms of the colour, signage, and furnishings on the indoor wayfinding of Thai seniors in a nursing home.
Journal of Daylighting 7 (2020) 25-36
RESEARCH ARTICLE
The physiological and psychological benefits of daylighting for office occupants have been well explored. Current research usually focuses on visual comfort in office buildings.
Journal of Daylighting 3 (2016) 12-26
RESEARCH ARTICLE
Louvre is a common type of shading devices and has been increasingly used in office buildings. Meanwhile, some reflective types of louvre have been used to provide shade and to redirect daylight deep into buildings interior simultaneously.
Journal of Daylighting 7 (2020) 84-92
RESEARCH ARTICLE
An advanced complex fenestration system can utilize uniform daylight. Nonetheless, an inefficient design would increase solar heat gain and indoor temperatures, besides uneven light distribution that would cause the "cave effect.
Journal of Daylighting 9 (2022) 257-265
RESEARCH ARTICLE
Exposing oneself to outdoor daylight in the morning can be healthy and harmful at the same time, due to the risk of ultraviolet exposure. The presence of surrounding buildings in the urban context may also influence the risk.
Journal of Daylighting 7 (2020) 167-185
RESEARCH ARTICLE
This paper critically discusses the procedure prescribed by the Italian Technical Standards to account for the internal gains in the calculation of the energy performance indices for a building.
Journal of Daylighting 1 (2014) 56-67
RESEARCH ARTICLE
Daylight represents one of the crucial factors that affect directly on the building performance and its occupants. This study assesses the daylight performance in the multi-storey residential buildings (apartments) in Erbil city.
Journal of Daylighting 6 (2019) 187-201
REVIEW ARTICLE
Exposure to daylight significantly affects the psychological well-being of occupants by diminishing headaches, eye tensions, or stress. Daylight penetration is a matter of collaboration between building façade and perimeter zones that can be controlled through façade design features. .
Journal of Daylighting 8 (2021) 181-203
RESEARCH ARTICLE
The interaction between different ceiling geometries with laser cut panels (LCPs) is investigated using real experiments and computer simulations to maximize the daylight performance of the LCP.
Journal of Daylighting 1 (2014) 29-35
RESEARCH ARTICLE
Dynamic daylight simulations are very useful instruments in daylighting design process. They allow an in depth analysis of indoor daylight availability levels and define if they are adequate to perform a particular visual task.
Journal of Daylighting 2 (2015) 12-20
RESEARCH ARTICLE
This paper is focused on the daylighting system named Modified Double Light Pipe (MDLP) designed by the authors as an evolution of the Double Light Pipe to eliminate the drawbacks due to its encumbrance and the high luminance of its upper portion.
Journal of Daylighting 9 (2022) 228-241
RESEARCH ARTICLE
This study aims to achieve a balance of daylight availability in the work-plane environments of a fully glazed facade integrated with a light shelf system using an optimization procedure that can assist architects with assessing the daylighting performance of numerous design alternatives, and build-up the optimized design.
Journal of Daylighting 7 (2020) 122-136
RESEARCH ARTICLE
Optimization becomes more valuable when the optimal variables decision can consider sensitivity analysis. To get optimum results quickly, this study established a synthetic sensitivity analysis and multi-objective optimization approach, which is combined with an energy simulation framework characterized by parallel processing.
Journal of Daylighting 9 (2022) 48-63
RESEARCH ARTICLE
Daylight improves indoor environmental quality, the physical and mental health of occupants, and their efficiency. Research in the area of human-centric lighting that considers the visual and non-visual effects of light on human vision, have focused on examining human visual perception in response to a wide variety of lighting aspects.
Journal of Daylighting 10 (2023) 45-59
RESEARCH ARTICLE
From the Piranesi fantastic architectures to the animation movies and video games of the last thirty years, a new design approach has been introduced and developed: the design of the virtual space.
Journal of Daylighting 2 (2015) 1-11
REVIEW ARTICLE
Solar concentrator always plays an important role in solar energy collection as it could enhance the energy density effectively. Various structures of solar concentrators have been researched in recent years, among which multi-surface (MS) and multi-element (ME) combinations are the two typical structures.
Journal of Daylighting 6 (2019) 80-96
RESEARCH ARTICLE
Daylighting simulation software is an important tool to improve the quality of building design and to improve the quality of the built environment. For its application to correspond to reality, its algorithm needs to reflect real behaviour in the best possible way.
Journal of Daylighting 10 (2023) 87-98
REVIEW ARTICLE
Light affects humans beyond only image formation. Several studies have reported that light can increase daytime alertness and can therefore be positively utilized to counter daytime fatigue and increase productivity in workspaces.
Journal of Daylighting 9 (2022) 150-163
RESEARCH ARTICLE
Enormous studies have been conducted to enhance the daylighting utilization in buildings either by direct lighting techniques, lighting reflection systems, lighting transporting systems, or by light tracking systems.
Journal of Daylighting 7 (2020) 258-272
RESEARCH ARTICLE
Daylighting is a strategic topic to achieve sustainable buildings, so it is more and more imperative that it is implemented in architecture curricula to prepare a new generation of daylighting-oriented practitioners.
Journal of Daylighting 8 (2021) 36-49
RESEARCH ARTICLE
In terms of sustainable design, lateral windows and skylights are important. Daylighting has become a vital component in office buildings because it increases occupants' productivity, well-being, and energy savings via windows and skylights.
Journal of Daylighting 10 (2023) 72-86
RESEARCH ARTICLE
Currently, home-based computing workspaces have developed substantially all over the world, especially in Malaysia. This growing trend attracts computer workers to run a business from their residential units.
Journal of Daylighting 5 (2018) 1-13
RESEARCH ARTICLE
The need to reduce energy consumptions in buildings brings modern research to focus on the use of natural sources. In this context, the interest towards traditional architecture has been fueled, since one of the characteristics identifying it is the intuitive and intrinsic link between the building and the surrounding environment.
Journal of Daylighting 7 (2020) 273-281
RESEARCH ARTICLE
The Swedish animal production sector has potential for saving electric lighting of €4-9 million per year using efficient daylight utilisation. To demonstrate this, two light pipe systems, Velux® (house 1) and Solatube® (house 2), are installed in two identical pig houses to determine if the required light intensity, daylight autonomy (DA), and reduced electricity use for illumination can be achieved. In.
Journal of Daylighting 2 (2015) 21-31
RESEARCH ARTICLE
Based on a new approach for the prediction of the Daylight Factor (DF), using existing empirical models, this research work presents an optimization of window size and daylight provided by the glazed apertures component for a building located in a hot and dry climate.
Journal of Daylighting 8 (2021) 204-221
RESEARCH ARTICLE
Daylight plays a significant role in achieving energy saving and comfort in buildings. It is in accordance with the human circadian rhythms and allows the best visual conditions in work environments and residential buildings.
Journal of Daylighting 7 (2020) 37-56
RESEARCH ARTICLE
Two-sided micro-structures on windowpanes have been developed for redirecting sunlight into the depth of rooms in order to improve daylighting. In a joint research project comprehensive sunlighting-systems for windows are developed, integrating micro-structures in triple-glass units.
Journal of Daylighting 6 (2019) 52-59
RESEARCH ARTICLE
Daylighting and solar availability at urban scale has come to play a crucial role in the perception of discomfort conditions for people, both in outdoor and indoor spaces, and on the energy consumption of buildings.
Journal of Daylighting 10 (2023) 136-152
RESEARCH ARTICLE
There are several alternatives to passive strategies in the early stages of the design process including orientation, window to wall ratio, shading device, material and colour that affect occupants’ visual comfort. .
Journal of Daylighting 5 (2018) 21-33