friendship ended with timers, now tick updates is my best friend

lua/sca_main.lua

@@ -1,43 +1,82 @@
-local conf = include("sca_config.lua")
-local timeSynced = false
+local msg = include("sca_msg.lua")
+local isRunning = false
+local summerTime = nil
 
-local function sca_loop()
-    local intervalOffset = os.time() % 60
-    print("intervalOffset: ", intervalOffset)
-    -- If the function isn't called at HH:MM:00 then readjust the interval
-    if intervalOffset > 0 then
-        timeSynced = false
+local function sca_setup_timezone()
+    local time = os.time()                        // Year in seconds
+    local currentYear = 1970 + (math.floor(time / 31536000))
+    local leapYears = 0
+    local isLeapYear = tobool((currentYear % 4 == 0) and (currentYear % 100 != 0 and currentYear % 400 == 0))
 
-        print("[BuildBox] serverChatAdverts: Warning! Timer has not been called at HH:MM:00!! Readjusting interval...")
-        timer.Adjust("sca_chatPrintService", 60 - intervalOffset)
-    -- Otherwise, if timeSynced is false (interval was shorter than 60 seconds) then readjust interval to 60 seconds  
-    else
-        if !timeSynced then
-            timeSynced = true
+    for (i = 1970, currentYear, 1) do
+        if ((i % 4 == 0) and (i % 100 != 0 and i % 400 == 0)) then
+            leapYears = leapYears + 1
+        end
+    end
+                                // Year in seconds                 // Day in seconds
+    local yearBeginTimestamp = (31536000 * (currentYear - 1970)) + (86400 * leapYears)
+    local daysPastYearBegin = math.floor((yearBeginTimestamp - time) / 86400)
 
-            timer.Adjust("sca_chatPrintService", 60)
-            -- else check config and print text to players if there is any
+    local daysPerMonth =
+    {
+        [0] = 31, // January
+        [2] = 31, // March
+        [3] = 30, // April
+        [4] = 31, // May
+        [5] = 30, // June
+        [6] = 31, // July
+        [7] = 31, // August
+        [8] = 30, // September
+        [9] = 31, // October
+        [10] = 30, // November
+        [11] = 31 // December
+    }
+
+    local daysInTotal = 0
+    for (i = 0, 11, 1) do
+        daysInTotal = daysInTotal + daysPerMonth[i]
+        if (daysPastYearBegin / daysInTotal > 1) then
+            continue 
         else
-           
+            local currentDay = (yearBeginTimestamp + (daysInTotal * 86400)) - yearBeginTimestamp 
         end
     end
 end
 
-local function sca_setup()
-    print("[BuildBox] serverChatAdverts: Started!")
-
-    -- Calculate an interval that will call a function on HH:MM:00
-    print("setup time: ", os.time())
-    print(os.time() % 60)
-    print(60 - (os.time() % 60))
-    local interval = 60 - (os.time() % 60)
-    print("setup interval: ", interval)
-    timer.Create("sca_chatPrintService", interval, 0, sca_loop)
-
-    print("[BuildBox] serverChatAdverts: Initialization completed!")
+local function sca_msg_to_player(time)
+    if (msg[time] != nil) then
+        for k, v in ipairs(player.GetHumans()) do
+            v:SendLua('chat.AddText(' .. msg[time] .. ')')
+        end 
+    end
 end
 
+local function sca_timer_loop()
+    // If timezone has been setup then...
+    if summerTime != nil then
+        local time = os.time()
 
+        // Germany timezone in summer is UTC+1, in winter is UTC+2
+        if summerTime then
+            time = time + 3600
+        else
+            time = time + 7200
+        end
 
+        local timeModulo = time % 60
+        if timeModulo == 0 then
+            if !isRunning then
+                // 86400 seconds are 24 hours. We will get time between 00:00 - 23:59 (current time) in seconds from that modulo operation. 0 = 00:00, 86340 = 23:59
+                sca_msg_to_player(time % 86400)
+                isRunning = true
+            end
+        else
+            if isRunning then
+                isRunning = false
+            end
+        end 
+    end
+end
 
-hook.Add("Initialize", "sca_setup", sca_setup)
+hook.Add("Tick", "sca_timer_loop", sca_timer_loop)
+hook.Add("Initialize", "sca_setup_timezone", sca_setup_timezone)