An annual daylight simulation method (ADSM) has been developed.
The ADSM simulation results were validated by comparing them with Radiance simulation results and field measurements.
Daylight illuminance levels computed by ADSM and by Radiance correlated strongly under various sky conditions.
Daylight coefficient approach and sun-matching method of ADSM were recommended to achieve higher prediction accuracy.
The ADSM simulation results were consistent with actual field measurements of illuminance.