Zodiac Sign Calculator: Find Your Sign From Your Birthday
Zodiac signs are just date ranges with old names attached. This calculator does the boundary check so you do not have to memorise where one sign ends and the next begins.
What is the Zodiac Sign Calculator?
Enter your birth day and month and this calculator returns the matching tropical zodiac sign and its date range. The boundaries follow the commonly used tropical dates, with Capricorn wrapping across the new year. Entertainment only: the result is a bit of traditional fun, with no predictive power and no claims about personality or future events.
How to use it
- Enter your birth day as a number from 1 to 31.
- Enter your birth month as a number from 1 to 12.
- Click Find My Sign.
- Read your sign and its date range.
Worked example
A birth date of 15 August gives Leo, with the date range July 23 - August 22, labeled entertainment only.
What zodiac sign is 15 August?
Leo, whose tropical date range runs from 23 July to 22 August.
Frequently asked questions
What happens on a boundary date such as 22 August?
The tool follows the standard tropical cut-offs, so 22 August is Leo and 23 August is Virgo.
Does my sign predict anything about me?
No. This tool is entertainment only and makes no claims about personality, luck, or future events.