Hi, 
On current time header and scale inside the config has fix the properties such as:
config: any = {
    timeHeaders: [{ groupBy: 'Month' }, { groupBy: 'Day', format: 'd' }, {groupBy: 'Hour'}],
    scale: 'Hour', 
}
Is that any method can button onclick and changes the scale to Day and immediately  reflect on the scheduler chart?
Thank you