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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.
Storage and backup details
While logged out, your working copy stays in this browser on this device. Clearing this site’s cookies and stored data removes it; clearing history or cached images alone does not.
Restoring JSON replaces current saved data after confirmation; it does not merge with existing records.
Full JSON saves your records, plans, countdowns, date ranges and person-specific Age Phases. CSV is for registry spreadsheets; temporary Age Lab calculations are not included.
Saved in this browser on this device. Download JSON before switching devices or clearing this site’s stored data. Optional account sync keeps a copy across devices.