Why don't Orthodox and Catholic churches celebrate Easter on the date Jesus said?

Different days for Easter but They should both do: whichever description Jesus said, for the day he wanted Easter celebrated? Why don't they check which?

Why dont Orthodox and Catholic churches celebrate Easter on the date Jesus said?

If he NOT said like orthodox then obey? If he NOT said like Catholic then obey?

Why don't Orthodox and Catholic churches celebrate Easter on the date Jesus said?
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