Loves canonical hour? (5)

I believe the answer is:

nones

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'canonical hour?' is the definition.
(I know that nones is a type of canonical hour)

I cannot understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for nones that I've seen before include "Day in Roman calendar, nine days before ides" , "Roman monthly date" , "day in ancient Rome" , "Religious rite" , "Time to pray" .)

I've seen this clue in the Sydney Morning Herald.

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