Wave sets your fiscal year-end to December 31st by default. To change this date:
- Log in to your Wave account at waveapps.com.
- At the top right corner, click your business name, then Business settings.
- On the Settings menu, under Accounting, click Dates & Currency.
- Choose the month and day of your business fiscal year-end.
- Click Save.
Wave uses the Year-Month-Day format for dates which cannot be customized.