Science / Weather / Year: The interval required for the earth to complete one revolution around the sun. A sidereal year, which is the time it take for the earth to make one absolute revolution around the sun, is 365 days, 6 hours, 9 minutes, and 9.5 seconds. The calendar year begins at 12 o'clock midnight local time on the night of December 31st-January 1st. Currently, the Gregorian calendar of 365 days is used, with 366 days every four years, a leap year. The tropical year, also called the mean solar year, is dependent on the seasons. It is the interval between two consecutive returns of the sun to the vernal equinox. In 1900, that took 365 days, 5 hours, 48 minutes, and 46 seconds, and it is decreasing at the rate of 0.53 second per century.

Year-To-Date (YTD)

Business / Finance / Year-To-Date (YTD): A special dividend declared at the end of a fiscal year that usually represents distribution of higher-than-expected company profits. MORE

Fiscal Year (FY)

Business / Finance / Fiscal Year (FY): The 12-month period, not necessarily coinciding with the calendar year, chosen to constitute a single year for external financial reporting and taxes. MORE

Tropical Year

Science / Tides and Currents / Tropical Year: The average period of the revolution of the Earth around the Sun with respect to the vernal equinox. Its length is approximately 3 65.242,2 days. The tropical year determines the cycle of changes in t MORE