Calendar week 52 in the year 2025

Calendar.online, the perfect online calendar for your team

✅ Calendar weeks always in view: Keep the calendar week numbering in your personal annual and monthly planning.
✅ Plan together, coordinate more easily: Share your calendar with colleagues, family or your club. Put an end to scheduling conflicts.
✅ Easy access via access links with preset authorizations.
✅ Access from anywhere: Your appointments are always synchronized on your cell phone, tablet and desktop.
✅ Import important dates: Add public holidays, vacations or the matches of your favorite club with one click.

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