Check what time zone you have set on your calendar:
- Go to your outlook Calendar
- Click on the gear wheel at the top right of your screen
- Check the location and time zone under the
Current time zone
option at the bottom of the window - Select
Auto Time Zone
option - Confirm the change
- Open your calendar
- Select the meeting or event in question
- Click
Invitees
at the top of the screen - Look at the time and time zone displayed next to each attendee
- If the time zone differs from the one you have set, ask the attendee to check their settings