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The Blursday database as a resource to study subjective temporalities during COVID-19

Chaumon, Maximilien; Rioux, Pier-Alexandre; Herbst, Sophie K; Spiousas, Ignacio; Kübel, Sebastian L.; Gallego Hiroyasu, Elisa M.; Runyun, Şerife Leman; Micillo, Luigi; Thanopoulos, Vassilis; Mendoza-Duran, Esteban; Wagelmans, Anna; Mudumba, Ramya; Tachmatzidou, Ourania; Cellini, Nicola; D’Argembeau, Arnaud; Giersch, Anne; Grondin, Simon; Gronfier, Claude; Igarzábal, Federico Alvarez; Klarsfeld, André; Jovanovic, Ljubica; Laje, Rodrigo; Lannelongue, Elisa; Mioni, Giovanna; Nicolaï, Cyril; Srinivasan, Narayanan; Sugiyama, Shogo; Wittmann, Marc; Yotsumoto, Yuko; Vatakis, Argiro; Balcı, Fuat; van Wassenhove, Virginie

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Maximilien Chaumon

Pier-Alexandre Rioux

Sophie K Herbst

Ignacio Spiousas

Sebastian L. Kübel

Elisa M. Gallego Hiroyasu

Şerife Leman Runyun

Luigi Micillo

Vassilis Thanopoulos

Esteban Mendoza-Duran

Anna Wagelmans

Ramya Mudumba

Ourania Tachmatzidou

Nicola Cellini

Arnaud D’Argembeau

Anne Giersch

Simon Grondin

Claude Gronfier

Federico Alvarez Igarzábal

André Klarsfeld

Ljubica Jovanovic

Rodrigo Laje

Elisa Lannelongue

Giovanna Mioni

Cyril Nicolaï

Shogo Sugiyama

Marc Wittmann

Yuko Yotsumoto

Argiro Vatakis

Fuat Balcı

Virginie van Wassenhove


The COVID-19 pandemic and associated lockdowns triggered worldwide changes in the daily routines of human experience. The Blursday database provides repeated measures of subjective time and related processes from participants in nine countries tested on 14 questionnaires and 15 behavioural tasks during the COVID-19 pandemic. A total of 2,840 participants completed at least one task, and 439 participants completed all tasks in the first session. The database and all data collection tools are accessible to researchers for studying the effects of social isolation on temporal information processing, time perspective, decision-making, sleep, metacognition, attention, memory, self-perception and mindfulness. Blursday includes quantitative statistics such as sleep patterns, personality traits, psychological well-being and lockdown indices. The database provides quantitative insights on the effects of lockdown (stringency and mobility) and subjective confinement on time perception (duration, passage of time and temporal distances). Perceived isolation affects time perception, and we report an inter-individual central tendency effect in retrospective duration estimation.


Chaumon, M., Rioux, P., Herbst, S. K., Spiousas, I., Kübel, S. L., Gallego Hiroyasu, E. M., …van Wassenhove, V. (2022). The Blursday database as a resource to study subjective temporalities during COVID-19. Nature Human Behaviour, 6, 1587-1599.

Journal Article Type Article
Acceptance Date Jun 17, 2022
Online Publication Date Aug 15, 2022
Publication Date 2022-11
Deposit Date Sep 15, 2022
Publicly Available Date Feb 16, 2023
Journal Nature Human Behaviour
Electronic ISSN 2397-3374
Publisher Springer Science and Business Media LLC
Peer Reviewed Peer Reviewed
Volume 6
Pages 1587-1599
Keywords Behavioral Neuroscience; Experimental and Cognitive Psychology; Social Psychology
Public URL
Publisher URL


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