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Birthday command center
Start your birthday registry.
Add a birthday to see the person, date and live countdown here.
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Your home for birthdays, anniversaries, celebrations, and milestones.
Save important dates, explore ages and milestones, count down to what’s ahead, and plan celebrations. Your data stays in this browser unless you choose account sync.
How to use this siteA saved date can become more than a reminder. See ages and milestones, count down to what’s coming, build a plan around the occasion, and keep notes or memories to look back on later.
Birthday Command Center brings these pieces together, so birthdays, anniversaries, celebrations, milestones, and other meaningful moments don’t have to live as isolated dates on a calendar. Read how it began →
Approach radar
Next in the queue
Next anniversary
💍No milestone logged
Add an anniversary or meaningful date to see it at a glance.
Explore the tools
Choose a tool
Age LabCompare ages, estimate birth dates, explore phases and milestones, or convert time.CountdownsTrack celebrations, personal dates and ranges, compare dates, and convert time.PlannerPlan celebrations with tasks, guests, budgets and memories.ArticlesRead about birthday traditions, milestones, culture and planning.
Backups and exports
Back up and move your data.
Download a full JSON backup or use CSV files with Excel and Google Sheets. Your registries, plans, countdowns, date ranges, and person-specific Age Phases settings can be saved and restored when you need them. Age Lab calculator entries are temporary and are left out of backups and account sync.
Important: back up your data regularly. Your entries are saved in this browser on this device when you stay logged out. Clearing your browser's "Cookies and other site data" for Birthday Command Center removes the browser copy; clearing cached images/files or browsing history does not normally remove it. Optional account sync keeps an account copy available across devices. JSON backup remains the portable safety copy.