Victoria Day in 2025 will be observed on Monday, May 19. This Canadian federal public holiday is celebrated on the last Monday preceding May 25 each year to honor Queen Victoria's birthday. It also marks the official birthday of the current Canadian monarch. The holiday has traditionally been seen as the unofficial start of the summer season in Canada and is observed in most provinces and territories. Victoria Day always falls between May 18 and May 24, making the 2025 date the penultimate Monday of May.