2025 January Calendar Excel Cell Reference In Excel. This example describes how to create a calendar in excel (2025 calendar, 2026 calendar, etc). In a3, enter the formula =workday.intl(a2, 1) if you also want to take public holidays into account, create a list of all public holidays and.

Whether you’re looking to manage your personal events, business schedules, or projects,. In excel, you can use a formula to check the month of a date and update the year to 2025 if it is either january or february.