His term there are other uses, see Aquarius.
The Sign Of Aquarius
Aquarius
Aquarius (lat. Aquarius) is the eleventh sign of the zodiac, the Ecliptic corresponding sector from 300° to 330°, measured from the vernal equinox, permanent sign trigona Air. Usually portrayed as a human male with a pitcher, pouring the water.
In Western astrology it is believed that the Sun is in Aquarius roughly from January 21 to February 19, in the Vedic — from 15 February to 14 March. Not to be confused with the sign of Aquarius the constellation Aquarius, where the Sun in our time is from 16 February to 11 March.