See these links:
https://www.elevenforum.com/t/turn-on-or-off-set-time-automatically-in-windows-11.1338/
https://www.elevenforum.com/t/change-time-in-windows-11.1316/
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Please remember to vote and to mark the replies as answers if they help.
On the bottom of each post there is:
Propose as answer = answered the question
On the left side of each post: Vote = a helpful post
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