2018-5: What's Your Sign? Revisited

In Western astrology, the Zodiac is based on twelve 30° sectors of the ecliptic. Although the exact dates in a given year may shift by a day, the general dates for each sign are:

Aquarius - January 20–February 18

Pisces - February 19–March 20

Aries - March 21–April 19

Taurus. - April 20–May 20

Gemini - May 21–June 20

Cancer - June 21–July 22

Leo - July 23–August 22

Virgo - August 23–September 22

Libra - September 23–October 22

Scorpio - October 23–November 21

Sagittarius - November 22–December 21

Capricorn - December 22–January 19

Write code that, given a 2-element integer vector representing month and day, returns a character vector (string) of the corresponding Western zodiac sign.