Original: The 2004 Pacific hurricane season officially started on May 15, 2004 in the eastern Pacific, and on June 1, 2004 in the central Pacific, and lasted until November 30, 2004.
Simplified: The 2004 Pacific hurricane season officially started May 15 2004 in the eastern Pacific, and June 1 2004 in the central Pacific, and lasted until November 30 2004.