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How to check if 20 minutes have passed from current date?
For example:
var start = DateTime.Now; var oldDate = "08/10/2011 23:50:31"; if(start ??) { //20 minutes were passed from start } what's the best way to do this? Thanks :)
877
Add(new TimeSpan(-2,0,0)); DateTime original = new DateTime(year, month, day, 17, 30, 0); DateTime updated = original. Add(new TimeSpan(0,-45,0)); Or you can also use the DateTime. Subtract(TimeSpan) method analogously.
ParseExact(input, "MM/dd/yyyy", CultureInfo. InvariantCulture); int result = DateTime. Compare(dTCurrent, inputDate); The int 'result' would indicate if dTCurrent is less than inputDate (less than 0), same as (0) or greater than (greater than 0).
You can now compare your start time to the current UTC time using:
start.AddMinutes(20) > DateTime.UtcNow
This approach means that you will get the correct answer around daylight savings time changes.
By adding time to the start time instead of subtracting and comparing the total time on a TimeSpan you have a more readable syntax AND you can handle more date difference cases, e.g. 1 month from the start, 2 weeks from the start, ...
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