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## About BC AD Calculator

This calculator can calculate the difference between two dates in days, weeks, months and years.

Using a calendar to work out the difference date to date can be difficult and time consuming. A
**B.C and A.D calculator** is an **automated program** used to
**calculate the difference from a specified date to another**. Date calculators use programming functions and formulas to calculate the time differences.

Information processed using our date calculator

- B.C / B.C.E using Julian and proleptic Julian calendars
- A.D / C.E using Gregorian and proleptic Gregorian calendars
- Days, hours, minutes and seconds between two dates
- Leap years are also considered in both Gregorian and Julian calendars

#### Dates from the Calculator

How long ago was 3500 BCHow long ago was August 13, 3114 BC

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How long ago was July 4, 430 BC

How long ago was July 21, 356 BC

How long ago was 221 BC

How long ago was 73 BC