Jonathan Berger

Very nice!

The code for the app uses the classic Model View Controller pattern. But I've made what's nowadays the unusual decision of not using a framework like React or Angular. I used the examples from https://todomvc.com for inspiration about how to structure my base View and Controller classes.

Date math can be really tricky. For example, let's say I ask you what's 1 month and 1 day after April 30th? First, you need to remember that May has 31 days. With that, you'd probably go from April 30 to May 30 and then add one more day to get May 31st. But what if I asked, what is 1 day after April 30th and then 1 month after that? Now, you'd need to remember that April only has 30 days. So...

The top search results for "time calculator" could use a lot of improvement. Here's my take. I'd love any feedback or feature requests, especially detail about what you might use it for. The site was built with the help of great Javascript libraries Luxon and Chrono.