Year of Birth | Age | Birthday | Age Difference | Age Comparison | Number of Days | Span of Years | Century | Month Length | Percent Year

Calculate Year of Birth, Age and Time Passed

Calculator for the year of birth, the exact age and for the time that has passed since a certain date. As a reference date, the current date is preset, this can be changed at will.

Reference date: . . , : o'clock
Calculate year of birth from age and date of birth:
Enter the age at the reference date and the birthday, the year of birth will be calculated.

Age at deadline: years | Month of birth: Day of birth:

The year of birth is

Calculate your exact age or the time since a certain date:
Enter date and time from the past, the time span to the reference date will be calculated.

Month: Day: Year: Hour: Minute:

Time past until reference date:

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German: Geburtsjahr | Alter | Geburtstag | Altersunterschied | Altersvergleich | Anzahl Tage | Abstand der Jahre | Jahrhundert | Monatslänge | Prozent Jahr