Code Quality Rank: L5
Programming language: Swift
License: MIT License
Tags: Utility    
Latest version: v4.1.0

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Datez :calendar: Breeze through Date, DateComponents, and TimeInterval


  • Two Custom Structs Only (value types FTW!):

    • DateView: An Date associated with an Calendar
    • CalendarComponents: Like DateComponents, but Calendar agnostic.
  • Absolutely Zero Hardcode: Only hardcode now is to clear the date components, by setting the value to 0 or 1. Nothing like: minutes = seconds * 60.

  • Modular Composition Design: Only one way to achieve something, instead of copy pasting code everywhere, with tons of head scratching.


You can try them in the playground shipped with the framework!

Quickly and Explicitly Access Date Components:

let someDate = Date()
let currentCalendar = someDate.currentCalendar.components.year
let gregorianDay = someDate.gregorian.components.day
let hijriMonth = someDate.islamicCivil.components.month

Easy and Concise Date Manipulation:

let date = Date()
let gregorianDate = date.gregorian

// Adding components
let tomorrow = gregorianDate + 1.day

// Relative accessors
let firstThingTomorrow = tomorrow.beginningOfDay

// Easy tweaking
let firstThingTomorrowButIn1984 = firstThingTomorrow.update(year: 1984)

// now, lets get the date
let newDate = firstThingTomorrowButIn1984.date

Convenient Date Operators:

// Just calling timeIntervalSinceDate
let difference = Date(timeIntervalSinceNow: 5.minutes.timeInterval) - Date()

// Just calling dateByAddingTimeInterval
let afterFiftyHours = Date() + 50.hours.timeInterval

// Just calling compare:
let compareResult = Date(timeIntervalSinceNow: 8.hours.timeInterval) < Date()

[Bonus]: Durations This is marked as bonus since it's not ideal at all for precise calculation, but super useful when you just need some convenience. Examples would be setting expiration intervals and estimating components from TimeInterval

// Easily access TimeInterval to construct durations
let expirationInterval = 300.days.timeInterval

// Convert back to a single date component
let months = expirationInterval.totalMonths // 9

// Or multiple components
let components = expirationInterval.components
// components ≈ CalendarComponents(day: 6, month: 9)

Getting Started

Swift Package Manager

TODO: Write me


CocoaPods is fully supported. Simply add the following line to your Podfile:

pod 'Datez'


For manual installation, you can grab the source directly or through git submodules, then simply:

  • Drop the Datez.xcodeproj file as a subproject (make sure Copy resources is not enabled)
  • Navigate to your root project settings. Under "Embedded Binaries", click the "+" button and select the Datez.framework


This framework doesn't reinvent anything Apple already built. Under the hood, it leverages the Date, Calendar, and DateComponents classes to do all the work. It simply tries to simplify the API for Swift developers. Period.

After experiencing what using a great Swift API feels like, by using RealmSwift and SwiftyJSON, I started to believe in the importance of a clean and concise Swift API, and its impact on our productivity and stress levels.

What's wrong with other date libraries?

Assuming the underlying Calendar: I needed to explicitly choose between Gregorian and IslamicCivil, so that is integrated.

Wrong Date Calculation: Most frameworks I've seen make assumptions about the number of days in a month, or hardcode the number of hours ... etc.


Mazyod (@Mazyod)


Datez is released under the MIT license. See LICENSE for details.

*Note that all licence references and agreements mentioned in the Datez README section above are relevant to that project's source code only.