date-fns
Moment.js
Luxon
js-Joda
Next.js
Nuxt.js
CakePHP
2kB JavaScript date utility library

Microsoft Visual Studio
IntelliJ IDEA
Android Studio
Sublime Text
VS Code
Eclipse
PyCharm
Xcode is Apple’s powerful integrated development environment for creating great apps for Mac, iPhone, and iPad. Xcode 4 includes the Xcode IDE, instruments, iOS Simulator, and the latest Mac OS X and iOS SDKs.

Which is more popular?
Based on our record, Xcode should be more popular than Day.js. It has been mentioned 148 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | day.js.org | developer.apple.com |
| Pricing | — | |
| Company | — | Startup from the United States |
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While Xcode is primarily free, a subscription to the Apple Developer Program is required for iOS app development at $99 per year.
Occupying the sixth spot on my list is Xcode, Apple's flagship IDE. And yes, it's probably most well-known for macOS, iOS, watchOS, and tvOS development, but Xcode is also an excellent choice for C++ developers...
Apple’s integrated development environment (IDE) for macOS is Xcode, which can be used to create software for macOS, iOS, iPadOS, watchOS, and tvOS. In addition, it provides Command Line Tools (CLT), which enable...
Recommendations tracked on public social media and blogs since March 2021.

Date strings. ISO 8601 timestamps like "2026-04-27T10:00:00Z" are string to the converter. If you're parsing them with date-fns or dayjs, you'll want to change those to Date in your final types. - Source: dev.to / 6 months ago
Dayjs - Fast 2kB alternative to Moment.js with the same modern API. - Source: dev.to / 8 months ago
I think the JS Date class should be avoided for anything related to DateTime. Instead, use one of the established libraries: Moment.js or Day.js. And in the near future, use the successor of Date, the new Temporal API. - Source: dev.to / 12 months ago
Xcode is Apple's IDE for iOS, macOS, and the rest of Apple's platforms. The underlying build system is Swift Build, and xcodebuild is the command-line executable bundled with Xcode to interact with projects from the terminal, for example... - Source: dev.to / 8 days ago
Install XCode, Apple’s integrated development environment (IDE), which includes much needed debugging tools and iPhone simulators. - Source: dev.to / 7 months ago
Download and install Xcode, Apple's integrated development environment (IDE). - Source: dev.to / 10 months ago
When comparing Day.js and Xcode, you can also consider the following products.

date-fns provides the most comprehensive yet simple and consistent toolset for manipulating JavaScript dates in a browser & Node.js.
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Microsoft Visual Studio is an integrated development environment (IDE) from Microsoft.
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Parse, validate, manipulate, and display dates in JavaScript
Compare Moment.js to Day.js or Xcode:


Application and Data, Libraries, and Javascript Utilities & Libraries
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Android development environment based on IntelliJ IDEA
Compare Android Studio to Day.js or Xcode: