# Playground: elapseTime()

Simulates the flow of time in the engine, elapses a given amount of seconds in the engine's local date, this will trigger the respective market ticks between the previous local date and the new local date.

class MidaPlaygroundEngine {
    elapseTime (seconds: number): Promise<MidaTick[]>;
engine.localDate; //= 2022-01-12:00:00:00.000Z

engine.on("tick", (event) => {

const { elapsedTicks, } = await engine.elapseTime(60); //= Elapse 1 minute

engine.localDate; //= 2022-01-12:00:01:00.000Z