A DAY IN DAYLIGHT
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  • Global light exposure
  • Time above 250lx mel EDI
  • Contextual exposure
  • Time zone travelling
  • The run for the sun

Time zones

10

Countries

15

Participants

47

Activity logs

1763

Distribution of participants across the globe
Distribution of age and sex
Activity logging
Daily duration in condition
Log events depending on indoor/outdoor
Difficulties when logging
Melanopic EDI:
  • Across time and location
  • On 22 September
  • Across participants (1)
  • Across participants (2)
TAT250 by participant
TAT250 by country
Note

In this section, only the full day of 22 September 2025 (local time) is considered.

Categories
  • Indoor<>outdoor
  • Outdoors
  • Indoors
  • Wear-related
  • Screen use
  • General
Indoor<>outdoor
  • General
  • Expanded
  • Daylight
  • Daylight x context
  • Electrical lighting
  • Electric x context
  • Locations
Outdoors
  • Outdoors
  • Mixed
Indoors
  • General
  • Home
  • Workplace
  • Retail
  • Education
  • Healthcare
  • Overall
Wear-related
  • Wear type
  • Nighttime
  • Non-wear
  • Overall
Screen use
  • TV
  • Computer
  • Phone
  • Tablet
General
  • Activity
  • Sex
  • Country
  • Social context
  • Autonomy
  • Traveling
  • Behaviour change
Travellers across time zones
Travellers across time zones
Travellers across time zones
  • Light dose across participants
  • Winners of the run for the sun 2025

Travelers across time zones were excluded from the run for the sun.

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