🎂Age Calculator
Use Age Calculator online for free. Enter your values and get clear results quickly, with no installation required.
Date of birth
reference date
comparemode
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age
0Japanese counting age
0 years, 0 months, 0 days
0.00Decimal age
🎉 Until the next birthday
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days
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hours
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minutes
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⏱ Time since birth
daysnumber
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days
weeksnumber
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weeks
monthsnumber
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months
hours
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hours
minutes
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seconds
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seconds
🎌 Japanese calendar & traditions
Japanese era
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Chinese zodiac
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Sexagenary cycle
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Zodiac sign
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Birthstone
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Birth flower
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👥 Age difference
You
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Other person
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Age difference
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🎯 Milestones
💡 Calculation rules
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age Age starts at zero on the date of birth and increases on each birthday.&
Japanese counting age Traditional Japanese counting: age one in the birth year, then add one every January 1.&
Japanese era Supports the Meiji, Taisho, Showa, Heisei, and Reiwa eras.&
Zodiac cycle 十二支（子〜亥）＋六十干支（甲子〜癸亥、60年周期）&
Milestone 還暦(60)・古希(70)・喜寿(77)・傘寿(80)・米寿(88)・卒寿(90)・白寿(99)・百寿(100)