#define TIMELINE_CONVERT2SECONDS(_x) (_x*10)  //converts a number into seconds
#define TIMELINE_CONVERT2MINUTES(_x) (TIMELINE_CONVERT2SECONDS(_x) * 60)  //as well as into minutes
#define TIMELINE_CONVERT2HOURS(_x) (TIMELINE_CONVERT2MINUTES(_x) * 60)    //....and hours
#define TIMELINE_CONVERT2DAYS(_x) (TIMELINE_CONVERT2HOURS(_x) * 24)   //...days
#define TIMELINE_CONVERT2WEEKS(_x) (TIMELINE_CONVERT2DAYS(_x) * 7)   //..................weeks
#define TIMELINE_CONVERT2MONTHS(_x) (TIMELINE_CONVERT2WEEKS(_x) * 4) //..................MONTHS!!!
#define TIMELINE_CONVERT2YEARS(_x) (TIMELINE_CONVERT2MONTHS(_x) * 12) ///..................YEARS...
#define TIMELINE_CONVERT2DECADES(_x) (TIMELINE_CONVERT2YEARS(_x) * 10)    //...AND DECADES!!!!!
#define TIMELINE_CONVERT2CENTURIES(_x) (TIMELINE_CONVERT2DECADES(_x) * 10) //CENTURIES!!!!!!!!!!!!!!!!!!!!!!!!!
#define TIMELINE_CONVERT2MILLENIUMS(_x) (TIMELINE_CONVERT2CENTURIES(_x) * 10) //and MILLENIUMS...  I don't BYOND supports this number.
                                                                        //okay, okay, maybe I was being a bit excessive here...

var/_timeline/_timeController = new;    //because why not.
var/list/players_connected = new    //just a way to track the players connected.

_timeline   //a datum to handle all of time
    var
        _daySpan = TIMELINE_CONVERT2MINUTES(10);  //The number in (){parentheses} will be mow many minutes need to pass by
                                                    //before a new day begins.
        _currentDay = 1; //to keep track of what day it is.

        _days_in_a_year = 6; //after every 6 "_daySpans", a year has concluded
                            //This would in turn be every hour.

    proc
        GetAge(mob/player/_player)  //a function to get the age of the player
            if(ismob(_player) && istype(_player,/mob/player))   //make sure that they are a player and not an NPC
                . = round(((_currentDay - _player.birthday)) / _days_in_a_year);    //returns their age

        GetDay()    //want to see that day it is...
            . = _currentDay //don't know why we just don't do _timelineController._currentDay, but eh
                            //if you wished to call UnNeeded functions, go for it :)

        GetYear()           //incase you want the year too...
            . = round(_currentDay / _days_in_a_year)    //i prefer to make a variable for this but
                                                        //a function would suffice until you
                                                        //decide you'd want a varibale ;P

    New()   //once it's been instantiated
        spawn() //just so we can continue other shit..
            while(src)  //as long as the timeline exists.. time moves forward?
                sleep(_daySpan);    //wait our _daySpan variable, which would be 10 minutes
                _currentDay++;  //new day begins
                for(var/mob/player/_player in players_connected) //for every player conencted
                    _player.my_age = GetAge(_player);   //lets update their age.
        ..()    //because why the fuck not?

mob/player
    var/birthday = 3;    //lets say we were born on day 3
    var/tmp/my_age = 0;
    Login() //just for demo purposes
        _timeController._currentDay = 19; //lets say 19 days passed, at our current rate
                                            //that'll be (19 / 6), which is 3 years.

                                            //since we were born on the 3rd day, it's actually
                                            //(16 / 6), which means we were only born for 2
                                            //so below should output the age of 2.
        my_age = _timeController.GetAge(src);//sets the age
        players_connected += src;           //adds the player so we can track them later.

    Stat()  //just so we can see our age
        statpanel("GARBAGE");   //cause it's garbage.... right?
        stat("Years spent alone: [my_age]");    //so lonely :(
        stat("Current Year: [_timeController.GetYear()]")  //just so we can see the current year.  I prefer a variable
                                                            //but that's on you.

world   //a datum placeholder i presume
    mob = /mob/player;  //and tells the game that we want our default mobs to be a player