Practical guides
London and New York: when the time difference changes
See why London and New York can be four or five hours apart. Choose a date, compare local times and open a configured time-zone comparison.
Does the end date count?
Compare elapsed and inclusive days, calendar months and optional clock times with exact examples from the date calculator.
Business days: weekends, holidays and deadlines
Follow a Christmas holiday example and see how workweeks, start-date rules, custom dates and deadline adjustment change a planned date.
Make a family or school-year calendar
Choose a print layout, start in any month, add local events, save a reusable template and share a setup without personal content.
Country coverage
Denmark holidays: coverage and days off
Explore Danish holidays by year, the removal of Great Prayer Day and the difference between public holidays and workplace days off.
Sweden holidays: dates and coverage
Find Swedish holidays by year, including Midsummer Day, All Saints’ Day and the 2005 change from Whit Monday to National Day.
UK bank holidays: regions and substitute days
Choose England and Wales, Scotland or Northern Ireland. See published bank holidays, substitute dates and the limits of projected years.
Norway holidays: coverage and ISO weeks
Explore Norway’s named holidays by year, understand the coverage limits and open a calendar with Norwegian holidays and ISO week numbers.