Microsoft Teams is picky about time zones—usually because it’s tied to your device and your Microsoft account’s calendar settings. If your meetings show up an hour off (or a whole day off), you need to change the right setting in the right place.
This guide walks you through how to change the time zone used by Microsoft Teams across Windows, macOS, the web, iPhone, iPad, and Android in 2024. You’ll also learn how to set the time zone per meeting when scheduling, and what to do when the UI doesn’t show a time zone option.
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Primary keyword: Change Time Zone in Microsoft Teams.
Why time zone changes matter in Microsoft Teams
Teams displays calendar times for meetings and reminders. If your time zone is wrong, you’ll miss join windows, dial-in details can appear at the wrong time, and recurring meetings may drift relative to your local time.
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This is especially common when you travel, change your device region, or when Daylight Saving Time starts/ends and one system updates before another.
What controls Teams time zone (the real hierarchy)
Different parts of Teams can use different sources for time. The practical hierarchy looks like this:
- Teams profile time zone (when available): In many tenants, Teams can read/write a time zone preference tied to your profile and calendar experience.
- Meeting time zone (per meeting): When scheduling, you may be able to pick a specific time zone for the event.
- Exchange/Outlook calendar settings: Teams calendar items originate from Exchange; time zone handling is ultimately driven by Exchange for the meeting organizer.
- Your device/browser time zone: When Teams doesn’t expose a time zone setting, it commonly follows the system/browser time zone.
If you’ve ever seen “everything looks right in Outlook but wrong in Teams,” it’s often because one layer was updated and another wasn’t.
Before you start: prerequisites and quick checks
- Confirm your Windows/macOS/iOS/Android system time zone is correct. Teams can’t fix a bad device time zone if it’s using system time.
- Sign in with the account that actually owns the meetings (work/school vs personal accounts behave differently).
- Check whether you’re on the new Teams (Windows and macOS). The UI can differ from classic Teams.
- Verify daylight saving handling: if you’re off by exactly 1 hour, it’s often a DST mismatch.
Change time zone in Microsoft Teams on Windows (new Teams)
On Windows, Teams usually offers a time zone setting in Preferences/General. If you don’t see it, you’ll need the fallback method: updating Windows time zone (and possibly your Teams profile/calendar settings).
Method A: Set Teams time zone (when the option is visible)
- Open Microsoft Teams on your Windows PC.
- Click your profile picture (top-right).
- Select Settings.
- Go to General.
- Find Time zone and choose your correct city/time zone (for example, (UTC-05:00) Eastern Time (US & Canada)).
- Close Settings. Reopen Teams or refresh your calendar if changes don’t appear immediately.
Method B: Update Windows time zone (fallback)
- Right-click the clock in the Windows taskbar.
- Select Adjust date/time.
- Under Time zone, turn off Set time zone automatically (if it’s on) and select your correct time zone, or leave it on and verify it picked the right one.
- Force a Teams refresh: close Teams completely, reopen it, and check your meeting times again.
Change time zone in Microsoft Teams on macOS
On macOS, the most reliable approach is aligning your Mac time zone and then updating Teams if a preference is available. Teams tends to inherit the system time zone when the setting isn’t exposed.
Method A: Set Teams time zone (if available)
- Open Microsoft Teams on macOS.
- Click your profile picture (top-right).
- Select Settings.
- Go to General.
- Look for Time zone. If you see it, select your correct time zone.
- Refresh Teams and check the Calendar.
Method B: Update macOS time zone (recommended fallback)
- Open System Settings (or System Preferences on older macOS).
- Go to General > Date & Time.
- Set your time zone correctly. If you use location-based automatic time, ensure location services are enabled for macOS.
- Quit and reopen Teams.
Change time zone in Microsoft Teams on the Web (teams.microsoft.com)
In the browser, Teams often uses your browser/system time zone. Some tenants also show a time zone preference in Teams settings, but the browser layer is the common source of truth when meetings look off.
Method A: Change time zone in Teams web settings (if shown)
- Open a supported browser and go to teams.microsoft.com.
- Sign in, then click your profile picture.
- Select Settings.
- Go to General and look for Time zone.
- Select your time zone, then refresh the page.
Method B: Change browser/system time zone (most reliable)
- Set the correct time zone in your operating system (Windows/macOS) or device.
- Then refresh Teams web (hard refresh if needed).
- For troubleshooting, close all Teams tabs and reopen the calendar.
Change time zone in Microsoft Teams on iPhone and iPad
On iOS, Teams frequently follows the system time zone. Fix the device time zone first; then confirm your Teams calendar reflects the change.
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Method A: Change iPhone/iPad time zone
- Open Settings on your iPhone or iPad.
- Go to General > Date & Time.
- Enable Set Automatically or disable it and choose the correct Time Zone.
- Open Microsoft Teams and check your upcoming meeting times.
Method B: Check Teams settings (if the option appears)
- Open Microsoft Teams.
- Tap your profile picture.
- Go to Settings.
- Look for Time zone or similar under General/Calendar.
- If present, set it and then force a refresh by switching tabs (Calendar) and returning.
Change time zone in Microsoft Teams on Android
Android follows system time zone, so aligning the device is usually the fastest win. Then verify meeting times in Teams.
Method A: Update Android time zone
- Open Settings on your Android device.
- Go to Date & time.
- Enable Automatic time zone or disable it and manually select the correct time zone.
- Open Teams and check the Calendar.
Method B: Teams time zone preference (only if visible)
- Open Microsoft Teams.
- Tap your profile.
- Open Settings.
- Search for Time zone (it may be under Calendar or General depending on app version).
- Apply the change and refresh your calendar.
When you schedule a meeting: set the time zone per meeting
Changing your overall Teams time zone helps with display, but the most important control is the time zone on the meeting itself—especially when scheduling with people across regions.
Schedule in Teams and select time zone
- In Microsoft Teams, open Calendar and select New meeting.
- Fill in the title, attendees, and date/time.
- Find the time zone selector (commonly near the date/time fields). Choose the desired time zone.
- Save/send the meeting invite.
If you don’t see a time zone selector when creating the meeting, you’re likely relying on Exchange/Outlook’s default organizer time zone. In that case, update your organizer calendar time zone (or create the meeting in Outlook where the time zone options are more explicit).
Microsoft Teams rooms, admins, and policy considerations
For shared devices (like Microsoft Teams Rooms) and managed work accounts, admins can enforce settings that limit what end users can change.
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- Account calendar behavior: Exchange controls how meeting times are stored and displayed across attendees.
- Shared calendars: Delegate or resource mailboxes can show different offsets if their configuration differs.
If you manage the tenant and time zones don’t behave consistently, verify Exchange mailboxes, user time zone settings, and any conditional access/session policies that might affect calendar rendering.
Troubleshooting: time zone still wrong
When Teams time is off after you “changed time zone,” the issue is usually caching, a mismatch between device time zone and calendar source, or Daylight Saving Time differences.
1) Restart Teams and refresh the calendar
- Completely quit Teams (not just closing the window).
- Reopen Teams.
- Go to Calendar and check both a newly created meeting and an older one.
2) Compare with Outlook (or Outlook on the web)
Create a quick test meeting for yourself for a few minutes in the future and compare how it appears in Outlook vs Teams. If Outlook is correct and Teams is wrong, it’s a Teams rendering/cache problem. If both are wrong, it’s the underlying calendar time zone.
3) Verify your system clock and DST settings
- If you’re off by exactly 1 hour, the most likely cause is Daylight Saving Time not applying correctly.
- Ensure the OS date/time is correct (Settings > Date & Time) and that automatic time is enabled.
4) Clear Teams cache (Windows/macOS)
Clearing cache fixes stubborn display issues. If your org uses managed endpoints, confirm you won’t violate IT policies before doing this.
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- Windows: Quit Teams, then clear the Teams cache folders (location varies by Teams build; search for “Microsoft Teams Cache” guidance for your installed version).
- macOS: Quit Teams, then remove Teams cache data in the user Library folders (again, folder names vary by release).
After clearing cache, sign back in and recheck the meeting times.
5) Check meeting organizer time zone
If you’re an attendee and meetings are wrong only for events created by another person, ask the organizer what time zone they selected when scheduling. Exchange will store the meeting in a way that may display differently depending on attendee conversion rules.
6) If you’re in a multi-account scenario
- Make sure you’re using the right work account in Teams.
- Check whether the calendar you’re looking at is from the expected mailbox.
Common mistakes that cause mismatched meeting times
- Changing time zone in Teams but not updating the device: Some views still rely on system time.
- Traveling and leaving “automatic time zone” off: Manual time zones cause conversion errors.
- Scheduling without setting the meeting time zone: You might create the meeting in a different region than intended.
- Assuming one old meeting will “fix itself”: A correction often applies only to newly created invites, not already published items (depends on organizer behavior and edits).
- Ignoring DST gaps: Some time zones have transitions that can make recurring meetings behave unexpectedly.
FAQ: Microsoft Teams time zone
Why don’t I see a Time zone option in Teams settings?
It may be hidden due to tenant configuration, app build differences, or because Teams is designed to follow your device/browser time zone. Use the device time zone method and confirm via Outlook or Outlook on the web.
If I change my time zone, will all my existing meetings change automatically?
Typically, attendees will see meetings converted to their local time, but already-scheduled invites can behave differently depending on how the organizer set the meeting time zone and whether the event was edited.
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Schedule the recurring series with the correct time zone on the organizer side. If you travel, update your device time zone and check how the organizer time zone was set when creating the series.
My meeting time is exactly one hour off—what should I check?
Check Daylight Saving Time and your system’s automatic time settings. Also confirm the time zone selected in any meeting invite you edited or created.
Does Teams for mobile use my phone’s time zone?
Usually yes. The iOS/Android system time zone is the most common driver of what you see in the Teams calendar.
Will changing time zone affect my Teams chat messages?
Chat timestamps usually follow your device time zone. If only chats look wrong, your system/browser time zone (or app rendering) is the first place to check.
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Bottom Line
To change time zone in Microsoft Teams, start with the simplest and most reliable layer: your device/browser time zone. Then, if the Teams UI shows a Time zone setting, update it in Teams settings to match your location.
For meetings with multiple regions, don’t rely on defaults—set the time zone during scheduling so the invite converts the way you expect for every attendee.
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