Learn how a single JavaScript Date() timezone mistake silently corrupts web apps and how to fix timestamp bugs in JS, Python, ...

Finishing AP Computer Science Principles is a major milestone, but the leap from block-based coding to real-world JavaScript can feel daunting. Fortunately, the landscape has evolved: Code.org has ...

While planning to attend a standards committee meeting in Bergen, Norway in 2023 to discuss Temporal, a proposed replacement for JavaScript’s Date object, developer Philip Chimento of Igalia’s ...

The EOMONTH function in Microsoft Excel returns the last day of a month in the past, the current month, or a month in the future. Whether you need to calculate end-of-month due dates, deadlines, ...

As you create Excel spreadsheets for your small business, time and date functions frequently add both convenience and programming capability to your workbooks. There's good news with date functions.

Walkthroughs, tutorials, guides, and tips. This story will teach you how to do something new or how to do something better. Working with time zones sometimes becomes confusing, especially when you ...

It's sometimes useful to format dates as relative, e.g. "5 days ago". This is currently possible using the javascript API since the dates are Luxon dates that have a toRelative() method.