IdiomThe AbsurdFrench

Aux calendes grecques

Meaning: Never — used of something postponed indefinitely.

Literally: At the Greek calends

Example: “La rénovation de la piscine municipale a été renvoyée aux calendes grecques.” — The renovation of the town pool has been put off until who knows when.

English equivalent: When hell freezes over

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Origin: The calends were the first day of the Roman month and the date debts fell due. The Greek calendar had no calends at all, so a payment promised for them is a payment promised for a date that does not exist. Suetonius attributes the joke to Augustus.

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