How can I change the burndown chart time length? and log the hours?

Hi Harshal, Burndown and burnup charts are calculated based on the duration of the entire sprint. You can log hours for work items using the global timer or enter the logged hours individually. You can learn more about our timesheet capabilities here - https://help.zoho.com/portal/en/kb/sprints/track-sprint-progress/reports/timesheet-reports/articles/timesheet-reports If you have any other questions or feedback, you can write to us at support@zohosprints.com Happy Sprinting!