Periodddddt on the pill

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Hi all

I’ve been on the pill for 3 months now, and Everytime I take the sugar pills/white pills for my period (which is 4

Pills) my period still takes longer than the usual 4 days I am meant to have it.

Could it be the timing i take the pill? I was taking it everyday at 12pm consistently. Now I take it anywhere before 2ish PM.

Is this normal guys