Blog topic
Time & Dates
Date and time math for deadlines, time zones, ages and plans, including the cases calendars make confusing.
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Articles
The Package Said '10 Business Days.' It Arrived on Day 15 — and Thanksgiving Wasn't Even the Culprit
How to count business days for holiday shipping and contract deadlines, with a worked example and a working days calculator to check your own dates.
Read MoreThe UK and US end Daylight Saving Time on different Sundays each fall, shifting meetings by an hour. Here's the exact time zone math for the gap week.
Read MoreHow long does it take to binge-watch a TV show? The math for The Office, Breaking Bad, Friends and Game of Thrones, and how to work out any series.
Read MoreMy Daughter Said Her Summer Reading List Was 'Basically Done.' The Math Said Six Books in Four Days.
Summer reading lists always take longer than they look. The real reading-time math by word count, format and deadline, and how to work out your own.
Read MoreYour lunar age starts at 1 at birth and rises at Chinese New Year, not on your birthday. How it's calculated and when it matters in East Asia.
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