From Longman Dictionary of Contemporary Englishopening timeˈopening time noun [countable, uncountable] DLBBthe time that a business opens to the public OPP closing time We arrived at the pub just before opening time.
Examples from the Corpus
opening time• Stores all over Paris were mobbed Friday, with huge crowds massing outside stores even before opening time.• Before long, lengthy queues began to form before opening time.• On'y thing open about it was opening time. 