When Prince Albert ascended the throne he chose to end this tradition by choosing the same day as his father, which also happens to be the same day of his official ascension to the throne.
When Prince Albert II ascended the throne he ended this tradition by choosing the same day as his father, instead of the day of St. Albert, 5th November. The 19th of November also happens to be the same day of Albert II's official ascension to the throne.