2022 year born – age now in 2022?

How old am I in 2022 if I was born in 2022? Today's date is - 8 December 2022.

If year of birth - 2022, he is now:
-1 or 0 years old*

*Depends on before or after 8 December 2022 year he was born.

If a person was born from January 1 2022 to 8 December 2022 inclusively, he is 0 years old now, otherwise, if after 8 December 2022 (until December 31 2022 inclusively), then he is still -1 old now.

Other examples:

If 1905 year of birth - already 117 years or still 116 years.
If 1962 year of birth - already 60 years or still 59 years.
If 1989 year of birth - already 33 years or still 32 years.
If 2021 year of birth - already 1 years or still 0 years.

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