Tu BiShvat is a Jewish holiday that occurs on the 15th day of the Hebrew month of Shevat.
Arbor Day (or Arbour Day in some countries) is a secular day of observance in which individuals and groups are encouraged to plant trees.
Merry Christmas and all the best in the new year. Decor your Christmas day with following succinct watercolor Christmas wreath illustrations.
Easter and the holidays that are related to it are moveable feasts, in that they do not fall on a fixed date in the Gregorian or Julian calendars (both of which follow the cycle of the sun and the seasons)