Gateway Parts

What parts make up the two major holiday seasons in Christianity?

My religion notebook just says Easter and Christmas, but those aren't the "parts."

Public Comments

1. those are catholic - not Christian If the truth offends then may offence abound.
2. ALL Christian holidays are of Pagan origin. There is not one single truly Christian holiday.
3. Catholics: Christmas and Holly Week (Easter)
4. The vernal part and the autumnal part. http://en.wikipedia.org/wiki/Equinox