Calculate melanopic equivalent daylight illuminance (mEDI) for any lighting scenario and check WELL Building Standard L07 circadian compliance. Generates a complete 24-hour circadian lighting schedule with recommended CCT, lux levels, and mEDI for every time of day — for offices, healthcare, schools, and hospitality.
Space type
Office / workplace
WELL L07 compliant
Healthcare / hospital
Patient wellbeing
School / education
Learning and alertness
Residential / home
Sleep quality focus
Hotel / hospitality
Jet lag + sleep
Shift work / 24h
Non-standard hours
Current lighting specification
Measured or designed average maintained lux
Please enter illuminance level.
Melanopic EDI (mEDI)
0 lux
0
Photopic lux
0
Melanopic ratio
0
WELL target mEDI
0K
CCT
WELL L07 Compliant
24-hour circadian lighting profile
Recommended circadian lighting schedule
TimeCCTLuxmEDIPhase / effect
Circadian lighting design guidance
Space type
Photopic illuminance
CCT / melanopic ratio
Melanopic EDI (mEDI)
WELL L07 requirement
Control system
Certification target
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