Birth and Death Date Calculators: Difference between revisions

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! bgcolor="#cccccc" scope="col" | Description  
! bgcolor="#cccccc" scope="col" | Description  
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|[https://www.timeanddate.com/date/dateadded.html Date Calculator: Add to or Subtract From a Date]  
|[[Date Calculator|Date Calculator: Add to or Subtract From a Date]]  
|[https://www.timeanddate.com/ Timeanddate.com]
|[https://www.timeanddate.com/date/dateadded.html Timeanddate.com]
|Can be used for calculating birth from tombstones or determining date of birth from a Death Date
|Can be used for calculating birth from tombstones, death records when exact age is given in yr/mo//dd also a ''Duration Between Two Dates'' age calculator
|-
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| [http://longislandgenealogy.com/birth.html Birth Date Calculator]  
|[http://freepages.rootsweb.com/~fgris/family/brown/agecalc.html Age Calculator]  
| [http://longislandgenealogy.com longislandgenealogy.com]
|Rootsweb
| Used to help you calculate birth date when the tombstone only gives the date of death and the exact age
| Has 4 various calculators to determine birth date and age including the '''**8870''' method
|-
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| [http://www.searchforancestors.com/utility/age.html  Ancestor Search Age Calculator]  
| [http://www.searchforancestors.com/utility/age.html  Ancestor Search Age Calculator]  
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| [http://www.searchforancestors.com/utility/birthday.html Tombstone Birthday Calculator]  
| [http://www.searchforancestors.com/utility/birthday.html Tombstone Birthday Calculator]  
| [http://www.searchforancestors.com/ searchforancestors.com]  
| [http://www.searchforancestors.com/ searchforancestors.com]  
| Used to help you calculate birth date when the tombstone only gives the date of death and the exact age  
| This calculator allows Julian calendar '''or''' Gregorian dates to help you calculate birth date when the tombstone only gives the date of death and the exact age. This calendar also allows for a 30 day month or '''**(8870)''' method
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|[http://freepages.rootsweb.com/~fgris/family/brown/agecalc.html Age Calculator]  
| [http://longislandgenealogy.com/birth.html Birth Date Calculator]  
|Rootsweb
| [http://longislandgenealogy.com longislandgenealogy.com]
| Has various calculators to determine birth date and age
| Used to help you calculate birth date when the tombstone only gives the date of death and the exact age
|}
|}



Revision as of 13:12, 20 February 2020

Online Birth and Death Date Calculators[edit | edit source]

Name Website Description
Date Calculator: Add to or Subtract From a Date Timeanddate.com Can be used for calculating birth from tombstones, death records when exact age is given in yr/mo//dd also a Duration Between Two Dates age calculator
Age Calculator Rootsweb Has 4 various calculators to determine birth date and age including the **8870 method
Ancestor Search Age Calculator searchforancestors.com Used when you want to determine the date of death from a birth date and exact age
Tombstone Birthday Calculator searchforancestors.com This calculator allows Julian calendar or Gregorian dates to help you calculate birth date when the tombstone only gives the date of death and the exact age. This calendar also allows for a 30 day month or **(8870) method
Birth Date Calculator longislandgenealogy.com Used to help you calculate birth date when the tombstone only gives the date of death and the exact age

Calculating Dates[edit | edit source]

Having exact birth and death dates for our ancestors helps us confirm our finds, as well as better identify them in other records. However, finding precise dates can be much more difficult as we research further back in time. We may only have our ancestor’s age (sometimes in the format of years/months/days) at time of death. Or, we may wish to know how old an ancestor would be from their birth date. Using a date calculator can help us with the addition and subtraction necessary to discover our a more precise date. The date calculators listed above can help you determine that information.

Records that may give an exact age at death and a death date can be found on:

  • Death records
  • Grave markers (typically older markers)
  • Church records
  • Obituaries