Microsoft 365 and Office | Other
Miscellaneous topics that do not fit into specific categories.
What exactly program you are using for calendar? Is it local app or web service?
Time zone hasn't changed to BST
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Clare G
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Reputation points
I've gone through all trouble shooters - I am in UK, my timezone shows as UTC which is now an hour BEHIND our time. I have no way of changing timezone. When I manually changed the time, it then led to issues when people added diary events. I have spent so long on this, please could someone help? Thank you so much.
Microsoft 365 and Office | Other
9 answers
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![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(256, 10%, 34%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EIL%3C/text%3E%3C/svg%3E)
Igor Leyko 110.7K Reputation points Independent Advisor2026-04-09T16:15:39.39+00:00 -
Igor Leyko 110.7K Reputation points Independent Advisor
2026-04-09T15:40:25.8866667+00:00 Did you try to disable time zone autodetecting and set it manually?
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Clare G 0 Reputation points
2026-04-09T15:42:15.9033333+00:00 I did- this changed on laptop/bottom right corner, but didnt carry across to programmes and I notied today when a diary invite went into calendar, it showed as 1400 but it should have been 1500
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Igor Leyko 110.7K Reputation points Independent Advisor
2026-04-09T15:36:13.4533333+00:00 Do you mean that other users on same (your) laptop have correct time? Different laptops, even identical, may have different settings.
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Clare G 0 Reputation points
2026-04-09T15:38:42.5266667+00:00 Different physical laptops, bought and set up same time. I just have no option to change it to BST, it says London is UTC , and it is an hour less than time should be. When I have changed time manually, it isnt reflecting in other programmes used and causing issues when diary invites are getting put into my calender. It seems such a basic thing so it is driving me potty trying to sort it
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Igor Leyko 110.7K Reputation points Independent Advisor
2026-04-09T15:26:51.1733333+00:00 Hi,
you may disable time zone autodetecting and set it manually using command-line tzutil tool. https://learn.microsoft.com/en-us/windows-server/administration/windows-commands/tzutil
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Clare G 0 Reputation points
2026-04-09T14:48:53.22+00:00 To add- everyone has same laptop bought at same time and mine is only one with this issue.