aries 牡羊 mar. 21 - april 19
aries the ram is an autumn constellation， and can be best viewed in the night sky during the month of november.
taurus 金牛 april 20 - may 20
taurus the bull is an autumn constellation， and can be best viewed in the night sky during the month of december.
gemini 双子 may 21 - june 21
gemini the twins is a winter constellation， and can be best viewed in the night sky during the month of january.
cancer 巨蟹june 22 - july 22
cancer the crab is a winter constellation， and can be best viewed in the night sky during the month of february.
leo 狮子july 23 - aug. 22
leo the lion is a winter constellation， and can be best viewed in the night during the month of march.
virgo 处女 aug. 23 - sept. 22
virgo the virgin is a spring constellation， and can be best viewed during the month of april.
libra 天秤 sept. 23 - oct. 23
libra the scales is a spring constellation， and can be best viewed in the night sky during the month of may.
scorpio 天蝎 oct. 24 - nov. 21
scorpio the scorpion is a spring constellation with an astronomical name of scorpius， and can be best viewed in the night sky during the month of june.
sagittarius 射手 nov. 22 - dec. 21
sagittarius the archer is a summer constellation， and can be best viewed in the night sky during the month july.
capricorn 摩羯 dec. 22 - jan. 19
capricorn the sea goat is a summer constellation with an astronomical name of capricornus， and can be best viewed in the night sky during the month of august.
aquarius 水瓶 jan. 20 - feb. 18
aquarius the water bearer is an summer constellation， and can be best viewed in the night sky during the month of september.
pisces 双鱼 feb. 19 - mar. 20
pisces the fishes in an autumn constellation， and can be best viewed in the night sky during the month of october.