Getty Images says:
A general view of the bleachers at Wrigley Field in 1996 in Chicago, Illinois. Wrigley Field opened April 23, 1914 as the home of the Chicago Cubs.
Well, that caption isn’t quite right. Wrigley did open April 23, 1914, but as you know, for its first two years it was the home of the Chicago Federal League team, also known as the Whales. The Cubs didn’t move into Wrigley until 1916.
Anyway, here we’re more interested in the scoreboard than the bleachers, to determine when this photo was taken.
As you can see, this is a night game — the clock reads about 7:35.