31. The relation between lunar and solar calendar dates is made independent of the leap day scheme for the solar year . 32. As each sign is linked to a month of the solar year , it is thereby also linked to a season. 33. In the Haggadah, Behemoth's strength reaches its peak on the summer solstice of every solar year ( around 21 June ). 34. ARIES ( March 21-April 19 ) : The Sun enters your birth sign today and a brand new solar year begins. 35. It also gives the number of years that they slept as 300 solar years ( equivalent to 309 lunar years ). 36. A thirteenth month is added approximately every three years, so that an average Tibetan year is equal to the solar year . 37. At the end of the year she had won 72 matches in a solar year , a true record of the WTA. 38. This remarkable stability within the solar year may be one reason that the Egyptians used it as a basis for their calendar. 39. After 19 years the lunations should fall the same way in the solar years , so the epact should repeat after 19 years. 40. They find Yonada is on course to collide with the heavily-populated planet Daran V within a solar year , which would be catastrophic.