Samhain 2024 Datetime. Samhain is a gaelic festival marking the end of the harvest season and the beginning of winter or the darker half of the year. Yule, ostara, litha and mabon, fall on the equinoxes and solstices, the dates of which vary slightly from year to year, and they mark the changes of the four seasons.

The first monday fast of sawan will be on july 22, while the fifth and last monday fast of sawan will be on august 19. Samhain, imbolc, beltane and lammas, fall on dates that represent high energy in the season.