Rooibos tea and a ruled notebook on a veranda table.

October 15, 2026 · 12 min

Fix the dates that will not sort

Dates that look right but sort wrong, and the quick way to turn them into real dates.

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Sunday Cells

A free letter every Sunday: one spreadsheet challenge with three hints, and last week’s worked in full.

One email every Sunday. Unsubscribe any time.

“The one email I open the day it lands.”

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