Many big holidays don't coincide every year on the same date in Gregorian calendar, and in a few places I lived such that central landmarks can be absolutely fl

Many big holidays don't coincide every year on the same date in Gregorian calendar, and in a few places I lived such that central landmarks can be absolutely flooded on particular days of week because it's a tourist destination or for religious observances. Not to say you're wrong, maybe there's more tourists, but from experience it can be misleading.