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Questions tagged [nodatime]

Noda Time is a .NET library designed to simplify the correct handling of dates and times in the .NET environment.

Noda Time is an alternative date and time API for .NET. It helps you to think about your data more clearly, and express operations on that data more precisely.

It borrows many concepts from Joda Time, the industry standard date and time handling library for Java. It is an idiomatic port - not a direct translation. It has been specifically tailored for use in the .Net Framework.

There are many reasons to use Noda Time instead of the normal BCL date and time types, including:

  • Support for IANA/Olson time zones such as America/New_York.

  • Distinct representations of different concepts: Instead of using DateTime to represent everything, there are different types for dates, times, values with time zones, values with just UTC offsets, etc.

  • Reduced surprise: All Noda Time types work consistently in a predictable manner. By contrast, the DateTime type has different behaviors depending on its Kind property. For examples of the type of surprises that are avoided, read "What's Wrong with DateTime Anyway?"

  • Testability: You can easily mock the system clock using the IClock interface, and you have to go out of your way if you want to be affected by the computer's local time zone. By contrast, DateTime.Now is difficult to mock, and is bound to the system time zone by default.

Noda Time also has the ability to work with Windows time zones, and can convert between them. It also contains zone.tab data, which can be used to correlate time zones with a country code, or locate time zones on a map.

Resources:

The primary author of Noda Time is Jon Skeet, of Stack Overflow fame.

See also:

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How do I configure Ninject to inject the NodaTime IClock

In my NinjectConfigurator I have container.Bind().To(); I have also tried container.Bind().To().InSingletonScope(); But I get this error: Error activating IClock using binding from IClock to SystemClock …
Brad Jeffery
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How can I customize the serialization/deserialization of a complex type in ServiceStack.OrmLite

I am using ServiceStack.OrmLite to persist data in a SQLite database, and quite happy with it so far. However, many of my objects have properties of a complex type which I don't want serialized using JSV. I need to be able to specify a custom…
Erwin Mayer
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Get country code by latitude and longitude using NodaTime

Since NodaTime already has lat/long and country code data within the olson database, I was wondering if we can specify any lat/long (say any lat/long returned by GeoLocator.GetGeopositionAsync in windows store apps) and determine the timezone and…
Girish
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How to pass a Noda Time (or any third-party type) object as a parameter in WCF?

I have a service which uses Noda Time types (LocalDate and ZonedDateTime) in OperationContract parameters, but when I try sending for example LocalDate(1990,7,31) the server receives an object with the default value (1970/1/1). No error is thrown by…
Erwin Mayer
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Is noda-time applicable in this case?

The project I work on is basically a data collector. By way of orientation, it may help to think of it as Wireshark (or equivalent) with parsing/analysis capabilities of the Application layer (OSI Layer 7). The current version is a legacy MFC…
Matt Davis
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LocalDate from Week and WeekYear

Using the NodaTime library, how can I calculate a LocalDate of the first day of the week based on a Week number and week WeekYear. The reverse of this: var date = new LocalDate(2012, 1, 1); int weekYear = date.WeekYear; // 2011 int weekNr =…
Tom Lokhorst
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Deserializing NodaTime Instant from System.Text.Json

I'm using Noda Time in an ASP.NET Core project and a model that contains two Instant properties. public class Template { //... redacted bits public Instant CreateDt { get; set; } public Instant LastmodDt { get; set; } } The info in the…
k3davis
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Serialization of NodaTime Instant does not work with Asp.Net Core web api and OData

I am using NodaTime as DateTime-API in my AspNetCore OData - webapp. Everything works as expected until serialization. This is my entityBase. public class DbEntity { public Instant CreateDate { get; set; } } Here is my Startup-ConfigureServices…
Joshit
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Parsing ambiguous datetime with Noda Time

I use Noda Time, and have the following code: var pattern = ZonedDateTimePattern.CreateWithInvariantCulture( "yyyy-MM-dd HH:mm:ss z", DateTimeZoneProviders.Tzdb); var parsed = pattern.Parse("2017-11-05 01:00:00…
TheQ
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Best way to convert between noda time LocalDate and Datetime?

I am using both the native Datetime and the Noda Time library LocalDate in the project. The LocalDate is mainly used for calculation whereas Datetime is used in rest of the places. Can someone please give me an easy way to convert between the…
Theepan subramani
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Where is the BCL DateTimeZoneProvider in the .NET Core implementation of NodaTime?

I use NodaTime to do time zone conversions in ical.net, because it performs much better than the previous implementation which tried to use the VTIMEZONE element to handle time changes and time zone conversions. Under the hood, this method is pretty…
rianjs
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How to parse date string to a NodaTime object?

I'm new to NodaTime and I would like to implement it in my application. How can I parse date string to NodaTime Object? Here's what I currently have: var dateInput = "06/11/2015"; var pattern =…
Boy Pasmo
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Convert DateTime from specific time zone to UTC using Nodatime?

Ok, So I have a web server that is hosted in the Central Standard Time Zone. The IIS server is configured with that as the Time Zone, so whenever use DateTime.Now on the server or create a new DateTime where the kind is Local, it is in Central…
SpaceCowboy74
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NodaTime Interval JSON Serialization

Is there a reason why the NodaTime JSON.net serializer does not use the ISO8601 Time Interval format to express the start and end instants? Example ISO8601 Time Interval: "2007-03-01T13:00:00Z/2008-05-11T15:30:00Z" NodaTime Complex JSON: { Start:…
Anthony Carl
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When time zone of China it goes, work as good Java will not?

As some game developing might use the date time which is in the past or in the future, and in any time zone of a date time emulation, even we never reach them in reality. For this assumption, not saying that I'm calculating on fake date times, but…
Ken Kin
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