vhdl manual clock hour set

Question

I am trying to make an alarm clock for a final project in one of my classes. I am using push buttons on a DE1 Altera board to manually increment hours and mins. The mins work but I can not get the hours to increment manually. All pin assignments are correct.

library ieee;
use ieee.std_logic_1164.all;
use ieee.std_logic_arith.all;
use ieee.std_logic_unsigned.all;

entity ClkMain is port (
    clk,pb_hr,pb_min,clk_set,almr_enbl: in std_logic;
    almr_hr: in integer range 0 to 23;
    almr_min: in integer range 0 to 59;
    clk_min : out integer range 0 to 59;
    clk_hr : out integer range 0 to 23;
    almr_indct : out bit
);
end ClkMain;

architecture Behavioral of ClkMain is
    signal sec, min: integer range 0 to 60 :=0;
    signal hr: integer range 0 to 24 := 0;

begin
    clk_min <= min;
    clk_hr <= hr;

    process(clk)   --normal clock operation
    begin

        if(clk'event and clk='1') then
            sec <= sec + 1;

            if(sec + 1 = 60 or (pb_min = '1' and clk_set = '1') ) then
                sec <= 0;
                min <= min + 1;

                if (min + 1 = almr_min and hr = almr_hr and almr_enbl = '1') then
                    almr_indct <= '1';
                else
                    almr_indct <= '0';
                end if;

                if(min + 1 = 60 ) then
                    hr <= hr + 1;
                    min <= 0;

                    if(hr + 1 = 24) then
                        hr <= 0;

                        if (clk'event and clk='1' and pb_hr = '1' and clk_set = '1')then
                            hr <= hr + 1;
                        end if;

                    end if;
                end if;
            end if;
        end if;

    end process;
end Behavioral;

Answer 1

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