Next five birthdays
See which weekday each future birthday lands on and whether it falls on a Saturday or Sunday.
| Birthday | Date | Weekday | Weekend? | Age |
|---|
OneFreePlace · Tool #121
More than “days left”: plan the next birthday and the years after it.
Count exact calendar days to the next birthday, add an optional birth year for age results, choose how February 29 should behave, watch a live local countdown, see birthday-year progress, plan preparation milestones, inspect the next five birthdays and save multiple birthdays privately in your browser.
✓ Birth year optional✓ 3 leap-day policies
✓ Live local countdown✓ 5-birthday planner
✓ Private multi-birthday list
Birthday Countdown
Countdown · age · milestones · save · export
Birthday setup
Whose birthday are we counting down to?
Leave the time blank to count to local midnight at the start of the birthday. The exact day count remains date-only.
February 29 rulePersonal countdown choice—not a legal-age rule.
Live time uses this device’s local time zone. It is available when “Count from” is today.
Party planning remindersDates before the next birthday.
Whole non-negative values. D−0 means the birthday itself. Up to 30 reminders.
Age milestonesShown when birth year is provided.
Customize freely. These are planning markers only; they do not imply legal or cultural significance.
Next birthday
Calendar-day exact—
days left
Choose a birthday.
Next birthday——
Age on next birthday—requires birth year
Weeks + days—exact from calendar days
Days since last birthday—date-only birthday cycle
Days lived—through the count-from date
Born on—requires birth year
Live local countdown—
—days
—hours
—minutes
—seconds
Birthday-year progress—
—
Party planning timeline—
Birthday facts
Date-based facts only—no zodiac, numerology or other unverifiable personality claims.
Birth date—
Birth weekday—
Birth ISO week—
Birth day of year—
Next weekend birthday—
Next configured age milestone—
Saved birthdays
Stored only in this browser and sorted by whichever birthday arrives next. No account required.
Built for real birthday planning
Month + day firstYou do not have to provide a birth year just to count down for a friend, relative or colleague.
Leap-day controlChoose February 28, March 1, or only the next February 29 for a leap-day countdown.
Live local clockCountdown to local midnight—or an optional birthday time—using the browser’s actual time-zone rules.
Five-year plannerSpot upcoming weekend birthdays immediately instead of checking future calendars one year at a time.
Age milestonesCustomize ages you care about and see the next matching birthday date when a birth year is known.
Save + exportKeep multiple birthdays locally and export the next birthday plus preparation dates as all-day ICS events.
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February 29 rules are personal countdown settings.Different jurisdictions and organizations can treat leap-day birthdays differently for legal or eligibility purposes. This tool does not determine legal age; it lets you choose the date you want your countdown to use.