While 8 hours is enough to experience the "highlights" of Disneyland Park in Anaheim, it is not sufficient for a comprehensive tour of both Disneyland and California Adventure. In a single 8-hour window, you can typically experience about 5 to 7 major attractions if you utilize the Lightning Lane Multi Pass system to skip long standby lines. To maximize this short timeframe, you should arrive for "Rope Drop" (park opening) and focus on a specific land, such as Star Wars: Galaxy’s Edge or Fantasyland. However, you will likely have to sacrifice sit-down dining, parades, and nighttime spectaculars like Fantasmic! or the fireworks. For families with small children, 8 hours is often the "sweet spot" before exhaustion sets in, but for "Disney adults" or first-time visitors, a full 12-to-14-hour day (or multiple days) is recommended to fully immerse yourself in the entertainment and atmosphere without feeling rushed between the iconic attractions.