[Chartjs]-How to change the label and grid line position on a timeseries chart in Chart.js 3?

Are you looking for offset: false?

options: {
  scales: {
    x: {        
      grid: {
        offset: false
      }
    }
  }
}

false should be the default value according to the docs, but maybe type: 'timeseries' changes this.

Example: