(n.) Christmas or Christmastide; the feast of the Nativity of our Savior.

Christmastide Christmastime Yule Yuletide aestival arctic autumn autumnal bitter weather bleak weather boreal brumal buy time canicular cold snap cold wave cold weather consume time depth of winter equinoctial freeze freezing weather frost hard winter hibernal hiemal keep time kill time look for time measure time midsummer midwinter occupy time out of season pass time put in time race against time raw weather seasonal snap solstitial spend time spring springlike subzero weather summer summerlike summerly summery take time take up time use time vernal weekend winterlike wintertide wintertime wintery wintry wintry weather wintry wind work against time zero weather