How long can new residents to Alberta use their valid driver’s licence from outside the province?

• For the first 120 days of their residency
• For the first 90 days of their residency
  Explanation:

  "New Alberta residents may use their valid driver’s licence from outside of Alberta for the first 90 days of their residency."
• For the first 60 days of their residency
• For the first 365 days of their residency