Humorous Cancer Horoscopes. Funny horoscopes. Brutally honest. Not at all accurate. This is humorous look at personalities as defined by astrological signs. This is a humor site, and the readings are meant to be funny, but certainly not accurate. Check out your Funny Horoscope for Cancer 2018, because it’s never your fault if you blame it on the stars. Birthdays of Cancer are between June 22 to July 22 each year. Cancer is the fouth sign of the zodiac, which contains 12 signs in total.