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How to Set a SharePoint Calendar to Start on Monday

Emma BrownEmma Brown Oct 22, 2026 869 views

Question details

The user wants to configure a SharePoint Online calendar so that the week view begins on Monday instead of the default start day.

How to Set a SharePoint Calendar to Start on Monday
Product
SharePoint Online
Device & OS
not provided
Scenario
Customizing the display format of a shared team calendar to align with standard organizational or regional workweeks.
Observed behavior
The SharePoint calendar view currently starts on a different day (like Sunday), and needs to be updated to display Monday as the first day.
Before you start

Ensure you have Site Owner or Administrator permissions for the SharePoint site, as modifying regional settings requires elevated access.

Solution 1Recommended

Adjust the First Day of the Week via Regional Settings

Modify the site-level regional settings to permanently set Monday as the start of the week for all calendars on that SharePoint site.

In SharePoint Online, individual calendar views pull their date and time formatting directly from the site's overarching Regional Settings. By updating this core setting, you ensure that every calendar and date picker on your site follows the same logical workweek.

1
Navigate to Site Settings

Open your SharePoint site, click the Settings gear icon in the top right corner, and select 'Site information' followed by 'View all site settings'.

2
Access Regional Settings

Under the 'Site Administration' section on the Site Settings page, click on 'Regional settings'.

3
Change the First Day of the Week

Scroll down to find the 'First day of week' dropdown menu. Click it and select 'Monday' from the list of available days.

4
Save Your Changes

Click the 'OK' button at the bottom right of the page to apply the new configuration. Your SharePoint calendar view will now automatically update to start on Monday.

Adjust the First Day of the Week via Regional Settings
Site-Wide Impact: Changing the regional settings will affect the first day of the week for all calendars, lists, and date pickers across this specific SharePoint site.
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Frequently Asked Questions

Will changing the first day of the week in SharePoint affect other users?

Yes, modifying the site's Regional Settings changes the calendar view for all users who access that specific SharePoint site.

Can I set a different start day for just one calendar on the site?

No, the 'First day of the week' setting is configured at the site level via Regional Settings. It applies globally to all calendars and date pickers within that site.

Why is the Regional Settings option missing in my Site Settings?

You may not see the Regional Settings link if you do not have sufficient site permissions. You must be a Site Owner or have Full Control permissions to modify site-wide configurations.