Lammas 2024 Date Calculator. Lammas is a harvest holiday celebrated on august 1st in the northern hemisphere and on. When is lammas 2024?, our date calculators can be used to calculate a future or past date if you add or subtract a number of years, months, weeks, days, hours or minutes.

This article is specially prepared keeping in mind. At lammas, also called lughnasadh, the hot days of august are upon us, much of the earth is dry and parched, but we still know that the bright reds and yellows of the harvest season are just around the corner.