WebFeb 10, 2024 · Below programs illustrate the use of DateTime.Subtract (DateTime) Method: Example 1: using System; using System.Globalization; class GFG { public static void Main () { try { DateTime date1 = new DateTime (2011, 1, 1, 4, 0, 15); DateTime date2 = new DateTime (2010, 1, 1, 4, 0, 15); TimeSpan value = date1.Subtract (date2); WebThe DateTime type supports comparison operators: if (dateTimeA > dateTimeB) { ... This also works for DateTime values returned by DateTime.AddSeconds: if (dateTimeA.AddSeconds (42) > dateTimeB) { ... If you really want the number of seconds that elapsed since 01/01/0001 00:00:00, you can calculate the difference between the …
c# - Convert DateTime.Now to Seconds - Stack Overflow
Web1. Another approach avoiding arithmetic using type long. Using integer division, where a & b are positive integers: a/b // rounding down (a+b-1)/b // rounding up ( (2*a)+b)/ (2*b) // rounding to the nearest (0.5 up) To round up: public static DateTime UpToNearestXmin ( DateTime dt, int block ) { int a = dt.Minute; int b = block; int mins ... WebJul 13, 2013 · You get a unix timestamp in C# by using DateTime.UtcNow and subtracting the epoch time of 1970-01-01. e.g. Int32 unixTimestamp = (int)DateTime.UtcNow.Subtract (new DateTime (1970, 1, 1)).TotalSeconds; DateTime.UtcNow can be replaced with any DateTime object that you would like to get the unix timestamp for. imatch chain box
DateTime.Subtract Method (System) Microsoft Learn
WebDec 30, 2008 · strComment = "L000 – Process 05 began at " + DateTime.Now.ToString() + " executing " + countSite + " records "; this command yields: L000 – Process 05 began at 12/27/2008 6:39:50 AM executing 149 records (this is the date/time format I want) later I try to subtract a start and end process and that is where the formatting becomes different: Webstopwatch.Elapsed.Seconds returns and int, specifically, the number of seconds. timespan.Subtract (TimeSpan) accepts a TimeSpan object. You can try: Time_label.Text = 20 - stopwatch.Elapsed.Seconds; or Time_label.Text = timespan.Subtract (stopwatch.Elapsed).Seconds; Please note there is a flaw in your logic. WebIn C# / .NET it is possible to subtract seconds from DateTime object in following way. 1. DateTime.AddSeconds method example Edit xxxxxxxxxx 1 DateTime time1 = new DateTime(2012, 1, 1, 12, 0, 40, 0); 2 DateTime time2 = time1.AddSeconds(-20); 3 4 Console.WriteLine($"Old time: {time1:s}"); 5 Console.WriteLine($"New time: {time2:s}"); … list of hospital in singapore