Format date output
Parse ISO date strings and format them into a friendly US-style date output.
Weekday from date
Write a function that returns the full English weekday name for a date string.
Time Difference HH:MM
Given two times in HH:MM format, return the absolute difference as a string in HH:MM format.
Unix timestamp to datetime
Write a function that returns a UTC datetime string from a Unix timestamp.
Datetime to Unix timestamp
Parse a datetime string and convert it to a Unix timestamp assuming UTC.
Quarter from date
Compute the quarter (1-4) for a date string like '2023-07-15'.
Duration Human Readable
Write a function that turns a number of seconds into a human-readable duration like '2 hours, 1 minute'.
Month Start Date
Parse a date string and return the first day of its month in the same format.
Showing 1–8 of 8 challenges · Datetime & Time Calculations
Datetime & Time Calculations — Python coding challenges
What you will find here
This page lists datetime & time calculations challenges — real Python problems you solve in the browser IDE with instant test feedback. Each challenge includes a clear brief, starter code, and automated checks.
Challenges vs tutorials and quizzes
Challenges test what you can build under constraints. For guided teaching, use our Python tutorials. For quick checks, try quizzes or copy snippets from code samples.