Calendar Coffee is a specialty roastery in Galway, Ireland, founded in 2018 by Zarah Lawless and Daniel Boobier. The two met working at Workshop Coffee in London, where they observed that the best-tasting coffees were almost always the most recently harvested. That observation became the entire premise of their roastery. Calendar sources seasonally, buying green coffee close to harvest and rotating their offering throughout the year. A new roast drops every Wednesda, one week it might be a washed lot from Nyeri, Kenya, the next a natural from Huehuetenango, Guatemala. The roastery operates out of a former computer repair shop in Galway and has grown quickly. In 2023, Roastful ranked them the third-best roastery in the world, marking the only Irish name in the top ten. They've also partnered with Hometree, an Irish woodland charity, planting native trees in County Clare to offset their carbon footprint, with a stated goal of becoming carbon-negative.