Time Between Days
Date Decoder
Convert any date across 20 of the world's calendars — Chinese Lunar, Ethiopian, Anno Lucis, Numa, 13 Moon, Mayan and more. Pick a date, or switch to Time Between Dates to count the days between two dates.
Durations are counted from the start date forward, the way people count birthdays and anniversaries: whole years first, then whole months, then weeks and days. A month that is too short is clamped to its last day, so January 31 plus one month is February 28 (or 29 in a leap year).