Why do relative adverbs change their antecedent between where and when? Checking the four types: place, time, reason, and method

You stumble over relative adverbs when you memorize them only by their word meanings—where for place, when for time—and move ...
VOA Learning English

When You See an Adverb Clause, You'll Know

Armstrong is expressing his desire to be among the saints going to heaven. The line “when the saints go marching in” is an adverb clause – sometimes called an “adverbial clause.” Adverb clauses are ...