Sound isn't playing at specified time

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1

So, the goal of this script is for the server to play Sound every day at 11:59:40 PM EST, but it’s not working and I’ve no idea why. How would I edit the code so it successfully plays the sound at the specified real world time?

local RunService = game:GetService("RunService")
local Sound = game.Workspace.Bong

local DaysInMonth = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}

function GetNextTimestamp()
    local Now = os.date("!*t")
    
    local NextDay = (Now.day + 1)
    local NextMonth = Now.month
    local NextYear = Now.year
    
    if NextDay > DaysInMonth[NextMonth] then
        NextDay = 1
        NextMonth += 1
        
        if NextMonth > 12 then
            NextMonth = 1
            NextYear += 1
        end
    end
    
    local Timestamp = os.time({
        year = NextYear,
        month = NextMonth,
        day = NextDay,
        hour = 23,
        min = 59,
        sec = 40,
    })
    
    return Timestamp - 5 * (60 * 60) -- EST calculations
end

RunService.Heartbeat:Connect(function()
    local NextTimestamp = GetNextTimestamp()
    
    if os.time() >= NextTimestamp then
        if not Sound.IsPlaying then
            Sound:Play()
        end
    end
end)
2

The

local Now = os.date("!*t")

Is a time for UTC, Not est

3

Correct, which is why I’ve offset the time here.

4

Quick tip
The * and / calculated before + and -

So it would be

return Timestamp - 18000
5

If you want to go ( ) first then from left to right then you would try this

return (Timestamp - 5) * 3600 -- 60 * 60 is 3600 and Will calculate Timestamp - 5 first because it has "()"
6

Second mistake
You take only a table, You didn’t take a Value or Name in Table

Like this

return (Timestamp.Insert here - 5) ... --Insert here means inserting something in table such as "year", "month", "day", etc