Board Thread:General Discussion/@comment-27213375-20160305063709/@comment-29855659-20170401222036

Chara fell down 201 X. X propably stands for some kind of calendar, it symbolizes the unknown. I guess it means "insert calendar here".

Toriel said that it's been a long time since the last human fell down here. A fews can be considered a long time but otherwise Toriel does not age anymore so she probably has another perception of time. It can't be too long, because otherwise the monsters would have lost their hope. Let's say it's 10 to 30 years. If there was always such a gap between the humans' arrivals we would have about  20×7=80 years since chara fell down. Frisk fell down in 281x or 121X.

But as time progressed the humans began to tell a myth about children vanishing at Mount Ebott that probably scared away children. Such a myth would only be told if at least a few children vanished. If the children were actually scared away, the gap between the childrens' arrivals would have grown. That would mean that the gap between their arrivals was smaller at first.

Also, since monsters possess at least some memory of what happened during the resets and flowey resetted for decades, Toriels perception of time, or the monsters in general might have been completely corrupted. They might feel like a lot of time passed although it were only a few days. And what is a day for monsters? They were cutten of from sun and moon for years.There are a lot of real-time studies about situations like these and how they effect the brain.

2016 means nothing else than 2016 years after Jesus Christ was born. 201 X probably means 201 years after/before year 0 at which a certain event happened. What date was most memorable for monsterkind? The war! The game's intro shows, that Asgore has already been very tall at this time, so he was at least in his late twenties. I think Asgore's age is:

About 30 years until he was an adult + 201 years since the war + at least 1 year till Chara died + 80 years until Frisk arrived - 10 years due to the children on the surface being more willing to go to Mount Ebott = c.a. 302 years (if the monsters have a sense of time)