Convert UNIX timestamp to .NET DateTime ticks in unmanaged code (without using .NET)

Posted by Adal on Stack Overflow See other posts from Stack Overflow or by Adal
Published on 2010-05-03T21:59:36Z Indexed on 2010/05/03 22:18 UTC
Read the original article Hit count: 353

Filed under:

.NET

|

datetime

|

unix-timestamp

|

convert

I need to "construct" .NET DateTime values in Python/C++.

How can I compute the number of ticks stored by DateTime starting from a UNIX timestamp?

A solution involving Win32 API calls it's ok (I believe FILETIME functions could help).

© Stack Overflow or respective owner

Related posts about .NET

Apt-Get Update: failure to fetch; can't connect to any sources

as seen on Ask Ubuntu - Search for 'Ask Ubuntu'
I realize there are dozens of "apt-get update: failure to fetch" questions (I read through all I could find), but my present circumstance is unique to 12.04 and it affects all sources; not just launchpad. Additionally, I've tried several different servers in Europe and the U.S. as well as the "main… >>> More
12.04: Apt-Get Update: failure to fetch; can't connect to any sources

as seen on Ask Ubuntu - Search for 'Ask Ubuntu'
I realize there are dozens of "apt-get update: failure to fetch" questions (I read through all I could find), but my present circumstance is unique to 12.04 and it affects all sources; not just launchpad. Additionally, I've tried several different servers in Europe and the U.S. as well as the "main… >>> More
What's New in ASP.NET 4

as seen on Geeks with Blogs - Search for 'Geeks with Blogs'
The .NET Framework version 4 includes enhancements for ASP.NET 4 in targeted areas. Visual Studio 2010 and Microsoft Visual Web Developer Express also include enhancements and new features for improved Web development. This document provides an overview of many of the new features that are included… >>> More
.NET Reflector 6, .NET Reflector Pro, TestDriven.NET, .NET 4.0 and Mono

as seen on Simple Talk - Search for 'Simple Talk'
By now you may well have noticed that .NET Reflector 6 and .NET Reflector Pro are out in the wild. The official launch happened today, although we actually put the software out last Thursday as part of a phased release plan to ensure that everything went smoothly today which, so far, it seems to have… >>> More
Redmine on Apache2 with Passenger issue

as seen on Server Fault - Search for 'Server Fault'
I installed Redmine and run it in Apache2 with the Passenger module. Apache2 boots, Passenger module gets loaded and the Redmine welcome page is shown, however when trying to login or navigate to other parts of the Redmine site, the browser keeps loading and loading and loading forever, although the… >>> More

Related posts about datetime

Finding begin and end of year/month/day/hour

as seen on Stack Overflow - Search for 'Stack Overflow'
I'm using the following snipped to find the begin and end of several time periods in Joda. The little devil on my left shoulder says thats the way to go... but I dont believe him. Could anybody with some joda experience take a brief look and tell me that the little guy is right? (It will be only… >>> More
Get non-overlapping dates ranges for prices history data

as seen on Stack Overflow - Search for 'Stack Overflow'
Hello, Let's assume that I have the following table: CREATE TABLE [dbo].[PricesHist]( [Product] varchar NOT NULL, [Price] [float] NOT NULL, [StartDate] [datetime] NOT NULL, [EndDate] [datetime] NOT NULL ) INSERT [dbo].[PricesHist] ([Product], [Price], [StartDate], [EndDate]) VALUES (N'Apples'… >>> More
DateTime.MinValue vs new DateTime() in C#

as seen on Stack Overflow - Search for 'Stack Overflow'
When getting SQL DateTime Resharper suggests to use new DateTime() when value is DBNull.Value. I've always used DateTime.MinValue. Which is the proper way? DateTime varData = sqlQueryResult["Data"] is DateTime ? (DateTime) sqlQueryResult["Data"] : new DateTime(); >>> More
SOLVED: Error 1 Ticks must be between DateTime.MinValue.Ticks and DateTime.MaxValue.Ticks

as seen on Dot net Slackers - Search for 'Dot net Slackers'
This is a simple looking error message that is deceptively hard to track down. Thankfully if you're having this problem then this article should get you back on track without spending hours scratching your head. Scenario It was time to update an existing website so after synchronising my copy of… >>> More
Converting Openfire IM datetime values in SQL Server to / from VARCHAR(15) and DATETIME data types

as seen on Geeks with Blogs - Search for 'Geeks with Blogs'
A client is using Openfire IM for their users, and would like some custom queries to audit user conversations (which are stored by Openfire in tables in the SQL Server database). Because Openfire supports multiple database servers and multiple platforms, the designers chose to store all date/time… >>> More