Dates are hard and JavaScript is odd. Two universal truths. In belated honor of 2024 being a leap year, here's a story about how I learned 2011 was not a leap year, ISO 8601, proleptic Gregorian calendars and forking Node. To belatedly commemorate the leap year of 2024, here is a story about how I discovered of 2011 wasn't a leap year, dove into the intricacies of ISO 8601, the concept of proleptic Gregorian calendars, and decided to fork Node on a whim. Understanding the Proleptic Gregorian ...