Half Birthday Calculator

Add six months to a birthday and find the next half-birthday date on the calendar.

Birthday tool

Enter your birthday

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result

Next birthday: —
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Plan without mental math

This tool handles the calendar details automatically and gives a plain-English result you can use for planning, school celebrations, family notes, or simple curiosity.

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⌁Age in Days

Your exact age measured in total days.

⌁Age in Weeks

A clean life-in-weeks view.

⌁Birthday Countdown

See how long until the next birthday.

⌁Age Difference

Compare two birthdays precisely.

⌁How Old on a Date

Check age on any past or future date.

⌁When Do I Turn?

Find exact milestone birthday dates.