Well, I think the image says it all.

Than

ASK: Are you comparing something?

Than means “in relation to” or “compared to.”

Examples:

Then

ASK: Are you talking about time?

Then means “at a specific time” or “next.”

The TRICK:

Than = Comparison

Then = Time

It’s all in the spelling. Than and Compare both have As in them (and no E) while Then and Time both have Es (and no A).

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