Before there were fireworks or ice cream trucks or Bonnaroo, the ancients from Scandinavia to Egypt gathered to celebrate the summer solstice with fire, feasts and flower crowns. The longest day of the year is a threshold of abundance, vitality and light. Though modern celebrations may look different, the spirit remains the same: a joyful acknowledgment that, as long as the sun is shining, so should we. ARIES (March 21-April 19).