Mesoamerican architecture there is no evidence that this phenomenon was the result of a purposeful design intended to commemorate the equinoxes. Much Mesoamerican architecture is also aligned to roughly 15° east of north. Vincent H Malmstrom has argued that this is because of a general wish to align the pyramids to face the sunset on August 13, which was the beginning date of the Maya Long Count calendar. However, recent research has shown that the earliest orientations marking sunsets on August 13 (and April 30) occur outside of the Maya area. Their purpose must have been to record the dates separated by
Adoption of the Gregorian calendar when a 13th Julian leap day was skipped in 1900, so the tax year in the United Kingdom still begins on 6 April. The European colonies of the Americas adopted the change when their mother countries did. In 1752, the British colonies (which as stated above adopted the New Style calendar in that year) extended as far west as the Appalachian Mountains. New France and New Spain had adopted the new calendar in 1582. In Alaska, the change took place after the United States purchased Alaska from Russia. Friday, 6 October 1867 was followed by Friday, 18 October. Instead of