Calendar Pro
All twelve months on one screen, with a dot for each day's events in their own colours, UK bank holidays shaded and today marked. Click a day to open it, or a month's name for Month view, and print the year as a wall planner. Part of Calendar Pro.

Click Year at the top, press 6, or Year view under Calendar Pro in the sidebar.
Each day shows up to three dots in its events' colours. Hover a day for what's on; bank holidays are shaded red.
Click any day to open it in Day view, or a month's name for Month view.
The arrows (or the left and right keys) go back and forward a year.
Print year planner opens the year wall planner from 1 January - with your events, on A3 or A4.
Calendar Pro help has every option in detail.
Part of Calendar Pro. Calendar is free. Calendar Pro is a one-off £5.99 upgrade inside the Windows app, bought through the Microsoft Store - no subscription, no account. Try it free for 7 days.
Yes. Hidden calendars and the project filter apply to the Year view, like every other view.
Yes - their events get dots too.
Yes. Calendar Pro has a free 7-day trial in the app, once per PC.

Day, Week, Timeline, Month and Agenda - drag to reschedule, week numbers and UK bank holidays.

Tag events by project, filter to one, and log actual hours against planned.

Notes for every day, exported as a formatted site diary for any date range.

Windows notifications before your events, even when Calendar is closed.

Day, week, month and year wall planners in three styles - print or PDF.

Every event for a project, planned against logged hours, with CSV export.

Diary entries, weekly update emails and project summaries - private, on your PC.

Midnight, Graphite, Forest, Plum, Paper and Ocean.

Bank holidays for Scotland, Northern Ireland and Ireland, and the clock changes.

Weekly and monthly timesheets from your hours, and an invoice from them.

Everything in one file - restore with a preview, merge or replace, and undo.
Calendar is free, in your browser and on Windows. Calendar Pro is a one-off £5.99 in the Windows app, with a free 7-day trial.