Which is better for timing - tick() or os.clock()?

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#1

i’m making a sort of delivery system that grades you based on how fast you deliver a package. i’ve seen people use both os.clock() and tick() for time-related uses, such as debounces and countdowns, and they both do approximately the same thing. the question is, which one should i use?

-- \\ grading criteria
local grades = {
	{grade = "A+", threshold = 59},
	{grade = "A", threshold = 119},
	{grade = "B", threshold = 179},
	{grade = "C", threshold = 239},
	{grade = "D", threshold = 299},
	{grade = "F", threshold = 359},
	{grade = "DNP", threshold = 419},
}

--\\ timing variables
local deliveryStartTime = 0
local isTimingActive = false

--\\ timing functions
local function formatTime(seconds: number)
	return tonumber(string.format("%.2f", seconds))
end

local function getGrade(score: number): string -- lower delivery time gives a higher score
	for _, entry in grades do
		if score <= entry.threshold then
			return entry.grade
		end
	end

	return "A+"
end

local function startDeliveryTimer()
	if not isTimingActive then
		deliveryStartTime = tick()
		isTimingActive = true
	end
end

local function stopDeliveryTimer()
	if isTimingActive and deliveryStartTime > 0 then
		local deliveryTime = formatTime(tick() - deliveryStartTime)
		print(`completed delivery in {deliveryTime} seconds`)
		deliveryStartTime = 0 -- reset the timer for the next delivery
		isTimingActive = false
		
		local grade = getGrade(deliveryTime)
		print(grade)
	end
end
#2

The tick() is based on the device time, if you are doing it at local script and communicate to the server, it can be bad

I recommend you to use os.time(), because theres no error, if you use it with a different hour, a different date or anything at your computer or game, its going to be the same

#3

Other way around, I’m pretty sure