Mention the name of Sunrise to a select demographic of nerds and you’re likely to elicit a visceral reaction. Before Microsoft purchased the calendar software in 2015 and shut it down about a year later, it was one of those apps people loved to praise. Thoughtful design and features helped it differentiate itself and earn a passionate fanbase in a crowded market that was dominated by heavyweights like GCal.But then Microsoft shut down the app and fans were left to look elsewhere, with almost no alternative coming in to fill the void. But the good news is something similar could be on the way. Yahoo (Engadget’s parent company) is working on a standalone calendar app called Day. We know, not the most exciting sell, but stay with us.According to TechCrunch, the company has recruited Jeremy Le Van, one of the co-founders of Sunrise, to help design the software. What’s more, the company has reportedly granted Le Van’s team the freedom to develop the software independent of other Yahoo prope