Duration can be declare using an int and double (double value will be converted to smaller unit and the truncate to int) value:


\\ 10 seconds duration
final tenSecondsDuration = 10.seconds; \\ or 10.s

\\ 1 minutes and 30 seconds -> 90 seconds
final aMinuteAndHalf = 90.seconds; \\ or 90.s

Short-hand table

function short-hand Unit
seconds s seconds
miliseconds ms miliseconds
microseconds us microseconds
minutes m minutes
hours h hours
days d days
months M days(30 days / month)
years y days (365 days/year)
weeks w days (7 days/ week)
circles c circle

Other functions

  • The day before: return the day before the given date
  • The day after: return the day after the given date

More information

This project is a starting point for a Dart package, a library module containing code that can be shared easily across multiple Flutter or Dart projects.

For help getting started with Flutter, view our online documentation, which offers tutorials, samples, guidance on mobile development, and a full API reference.