Date and time — AMC & AIME Problems

Practice every real AMC 8, AMC 10, AMC 12, and AIME problem that uses Date and time — a arithmetic concept — each with a professionally curated solution, many with a video solution too, from LIVE by Po-Shen Loh. Browse all concepts or the full past-contest archive.

All problems are used with official legal permission of the Mathematical Association of America (MAA).

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These problems’ difficulty ratings come from real solve attempts on our platform. Tap a band or a contest to filter the list below, and tap a selected band again to include all difficulties. See the full difficulty guide.

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AMC 8

1985 AMC 8 Problem 20 1986 AMC 8 Problem 5 1988 AMC 8 Problem 10 1990 AMC 8 Problem 10 1997 AMC 8 Problem 8 2002 AMC 8 Problem 5 2008 AMC 8 Problem 3 2011 AMC 8 Problem 5 2012 AMC 8 Problem 3 2014 AMC 8 Problem 10 2019 AMC 8 Problem 14

More arithmetic concepts

clockdecimaldistance rate and timedistributive propertyestimationexponentfactorialfractionmoneynumber baseorder of operationspercentageplace valuerateratio and proportionrelative speedrepeating decimalunit conversionwhole number operations