execute if predicate ps:is_day run scoreboard players set DN s 1
execute if predicate ps:is_day run setblock 75 84 88 minecraft:air
execute if predicate ps:is_day run time set 15000

execute unless predicate ps:is_day unless score DN s matches 1 run setblock 75 84 88 minecraft:redstone_block

execute unless predicate ps:is_day unless score DN s matches 1 run time set 1000


scoreboard players set DN s 0