How does the birthday calculator work?

Enter your birth date and it automatically calculates days until your next birthday, current age (both Korean and international), days lived since birth, and birth weekday.

What's the difference between Korean age and international age?

Korean age starts at 1 when born and increases by 1 every January 1st. International age starts at 0 when born and increases by 1 on each birthday.

What are special birthdays?

In Korea, certain birthdays like the 1st (dol), 60th (hwangap), 70th (chilsun), 80th (palsun), 90th (gusun), and 100th (baeksu) are considered special milestones and celebrated grandly.

Birthday Calculator

Find out days until your next birthday, age, and birth information

Enter Birth Date

Birthday Calculator Guide

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Meaning of Birthday

A birthday is a special day that commemorates the day a person was born. Each yearly birthday marks growing one year older and starting a new year of life.

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Korean Birthday Culture

In Korea, birthdays are celebrated with seaweed soup, birthday cake, and gifts. Special milestone birthdays like the first birthday (dol) and 60th birthday (hwangap) are celebrated grandly.