calendar

January special days mark cultural, historical, and personal moments that recur each year, offering structure and meaning to the start of the calendar year. This guide explains...

The 41st day of the year is the date reached after counting 41 days from January 1 in the Gregorian calendar. This article explains what day this falls on in common-year and lea...

A leap year occurs roughly once every four years to keep our civil calendar aligned with Earth’s orbit. Because a solar year is about 365.2422 days, adding one day every four...

Month names come from a mix of Roman deities, numbers, Latin words, and later calendar reforms that aligned the calendar with the solar year. The earliest Roman calendar began w...