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Home/ Questions/Q 7654579
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Editorial Team
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Editorial Team
Asked: May 31, 20262026-05-31T12:17:30+00:00 2026-05-31T12:17:30+00:00

When I use the DayOfTheyear function I obtain the error [Error] Unit1.pas(85): Undeclared identifier:

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When I use the DayOfTheyear function I obtain the error
[Error] Unit1.pas(85): Undeclared identifier: ‘DayOfTheyear’
Should I include any unit?
Thanks in advance.

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  1. Editorial Team
    Editorial Team
    2026-05-31T12:17:32+00:00Added an answer on May 31, 2026 at 12:17 pm

    Add DateUtils to your uses clause.

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