21
balance
calendar
card
celebration
christmas
christmastide
climate
cold
coniferous
countryside
cycle
date
day
daylight
december
event
feast
festival
festive
forest
greeting
holiday
january
landscape
light
middle
midwinter
mountain
nature
new
outdoors
pine
religion
season
seasonal
snow
snowy
solar
solstice
spiritual
sun
time
tradition
trees
weather
winter
year
yule
yuletide