Tarantool-Queue, adding tasks to the queue based on the time from 9 to 21

get_timing_cache.lua

function get_timing_cache(num,tz,cth,ctm)
        -- Time Calculate delay and ttl queues options
        -- num - number, tz - timezone(utc), cth - current time hour, ctm - current time mintute
        num_time = tz + cth
        if num_time < 9 then
                delay = tonumber(((9 - num_time) * 60 * 60) -(ctm * 60))
                ttl = 43100
                return {delay,ttl}
        elseif num_time >= 9 and num_time < 21 then
                delay = 2
                ttl = tonumber(((21 - num_time) * 60 * 60) - (ctm * 60))
                return {delay,ttl}
        elseif num_time >= 21 and num_time < 24 then
                delay = tonumber(((9 + (24 - num_time)) * 60 * 60) - (ctm * 60))
                ttl = 43100
                return {delay,ttl}
        elseif num_time >= 24 then
                ttl = 43100
                delay = tonumber(((9 - (num_time - 24)) * 60 * 60) - (ctm * 60))
                return {delay,ttl}
        else
                return nil
        end
end