From Longman Dictionary of Contemporary Englishit is/gets lightit is/gets lightLIGHTif it is light, there is the natural light of day OPP dark We’ll keep on looking while it’s still light. It was seven o'clock and just starting to get light. → light
Examples from the Corpus
it is/gets light• I stay there for quite a bit, looking round and that, till it gets light.• The women are never outside, and the long low porch remains empty when it is light.• It gets light before 6 a.m.• The texture of it is light but too soft.• Even earthworms have light-sensitive cells in their skin which tell them whether it is light or dark. 