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Fact-forward news for readers like you who want to know more. Thematic Books. November 14, When is the first day of spring ? Fun Spring coloring pages. Spring Worksheets and Printables.
Thematic Reading List - Kids Books. Spring Crafts and Activities. Spring Craft Books. Buy Now. How old is Earth? How fast can you think? How long is a light year and how short is a femtosecond? What does Greenwich Mean Time mean? Can you tell the time with flowers? When did time begin?
This light-hearted, illustrated miscellany from Royal Observatory Greenwich goes a long way to answering some of these questions and also presents a whole range of other amazing facts and figures which show the influence of time on our daily lives A stylish hour analogue clock that will make a statement on any wall, with its bold monochrome face, and matte black metal casing Visit Us.
Search Want to search our collection? As such, the Earth is oriented that the Sun is directly facing the Equator allowing for the Northern Hemisphere to enjoy springtime weather while the Southern Hemisphere enters fall. The day the Sun is directly overhead at noon over the Tropic of Cancer and Capricorn Many refer to Astronomical Spring on March 20, as the first "official" day of spring.
Most meteorologists will argue that spring begins a few weeks before, on March 1st. Meteorological spring began March 1, summer begins June 1, fall begins on September 1 and winter begins on December 1. There are a couple of very important reasons why this is the case. The most important is for climate record-keeping. Climatologists require set time periods to calculate averages and do seasonal comparisons over the years.
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