Gap
Modern Family: S1E5 — Coal Digger Star Trek: Deep Space Nine: S1E4 — A Man Alone
Modern Family: S1E5 — Coal Digger (2009-10-21) is about 6,121 days behind today — almost the same distance as from Star Trek: Deep Space Nine: S1E4 — A Man Alone (1993-01-17) to Modern Family: S1E5 — Coal Digger (6,121 days).
That's the nostalgia gap: the past you remember is already as old as an even older past once felt.
How old for Modern Family: S1E5 — Coal Digger · How old for Star Trek: Deep Space Nine: S1E4 — A Man Alone · All gaps