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How to Fix One-Day Date Differences in Microsoft To Do on Mac

Tauseeq Magsi Sep 25, 2026 869 views

Question details

The user needs to fix an issue where task due dates and contact birthdays display a day off (usually one day later) when viewed in Microsoft To Do on a Mac or a Windows widget.

How to Fix One-Day Date Differences in Microsoft To Do on Mac

Product: Microsoft To Do
Device & OS: Mac, Windows
Scenario: Managing and syncing daily tasks across Mac applications and Windows widgets.
Observed behavior: Tasks and birthdays appear one day later in the Mac app, or tomorrow's tasks appear instead of today's in the Windows To Do widget because the widget only pulls from 'My Day' and not 'Planned' tasks.

Before you start

Ensure your Mac, Windows PC, and Microsoft account are all set to the exact same time zone and region before troubleshooting synchronization.

Solution 1Recommended

Verify and Align Time Zone Settings Across Devices

Mismatched time zones between your Mac system and your Microsoft Account can cause task due dates to shift by a full day.

Microsoft To Do relies on both your device's local system time and your account's cloud regional settings. When these do not perfectly match, syncing can push deadlines or birthdays forward or backward by 24 hours.

Check Mac Time Zone Settings

Click the Apple menu, select 'System Settings' (or System Preferences), navigate to 'General', and click 'Date & Time'. Ensure 'Set time zone automatically' is checked and accurate.

Update Microsoft Account Region

Log into your Microsoft account via a web browser. Go to 'Your Info' and locate 'Language and Region'. Ensure the time zone matches your Mac's location.

Verify via Web App

Open Microsoft To Do on the web and compare a task's due date with the Mac app to confirm synchronization is restored.

Verify and Align Time Zone Settings Across Devices

Sync Complete: Restart the Microsoft To Do app on your Mac after changing these settings to force a fresh sync.

Solution 2

Adjust Task Views for the Windows Widget

Since the Windows To Do widget specifically displays the 'My Day' list, planned tasks managed from your Mac might appear missing or shifted.

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Frequently Asked Questions

Why do my Microsoft To Do tasks show up a day late on my Mac?

This is usually caused by a time zone mismatch between your Mac's system settings and the regional settings configured on your Microsoft account.

Why does the Windows To Do widget only show tomorrow's tasks?

The Windows widget is designed to exclusively display the 'My Day' list. If you do not actively add tasks to 'My Day', it may default to showing upcoming planned tasks instead.

Can I sync 'Planned' tasks directly to the Windows widget?

Currently, the standard Windows To Do widget primarily targets the 'My Day' list. To see planned tasks, you must manually assign them to 'My Day' daily.

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