Top 20 NuGet time Packages

Xamarin.Android library for Date and Time Picker in same dialog
Buildable event and holiday calendar by calendar patterns. DateTime extensions. IsWorkday(), AddWorkdays(), time rounding, IsLastWeekMonth(), get the 3rd Thursday of November (US Thanksgiving), IsDayOff(), IsBetweenEqual(DateTime, DateTime), IsLeapYear(), IsNthDayOfWeek(), IsLastDayOfYear() and mor...
This package contains an implementation of the Roman calendar system that is used similarly to DateTime. The calendar system used is the post-Julian reforms in 46 BC. It represents all the systems and quirks the calendar had, and is as accurate as I could make it from my research
Provides an abstraction of ISystemClock to assist application testing along with implementations that support 1s and 1ms accuracy.
Property editors for picking dates and time in Umbraco 9.
The package provides functionality for converting Coordinated Universal Time (UTC) to Unix Time and backward.
Code analyzer
C# Date Time Parser, http://www.codeproject.com/KB/datetime/date_time_parser_cs.aspx
A fluent interface in .NET for working with dates and times, inspired by ActiveSupport's time extensions.
Time Series Storage in Flat Files
Dynamic Time Warping (DTW) algorithm
A rich library of user interface XAML controls for Windows 8 that includes: Radial Menu, Calendar, Color Picker, TextBox, Plain Menu, Time Picker, Rating, UpDown, Expander, Accordion, Breadcrumbs, Layout Transform, Range Slider, Tab Control, Tree View and Flyout
Controls and utilities for Windows 8.1 XAML store applications.
A lightweight implementation of SystemClock that will help make your applications more testable when dealing with dates and times.
lib12 is a library of universal helpers and extensions useful in any .NET project
A library of abstractions for the purpose of testing. It is named after the author who wrote the book of James in the Bible. (James 1:2-3)
Discretized time library for c++.
A dynamic ViewModel sample data generator library for .NET Universal Apps.