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DateAlmanac

What year was I born if I'm 46?

1979 or 1980

Anyone who is 46 today, Friday, November 13, 2026, was born between Wednesday, November 14, 1979 and Thursday, November 13, 1980. The boundary falls in the middle of the year, so the answer spans two of them.
Earliest birth date
November 14, 1979
Latest birth date
November 13, 1980
Birth years
1979 or 1980
Age today
46

Which year, exactly

Someone born on Thursday, November 13, 1980 turns 46 today. Someone born a day later, on Friday, November 14, 1980, is still 45 until tomorrow. That is why “what year” has two answers rather than one, and why a birth date rather than a year is what settles it.

Read the other way round: to be exactly 46 today, a date of birth has to fall on or after Wednesday, November 14, 1979 and on or before Thursday, November 13, 1980.

That window contains 29 February 1980, so some people who are 46 today were born on a date that only comes round every four years — 46 years old with 11 birthdays behind them rather than 46. The next 29 February is when they have another.

The two candidate years

Other ages