Months & Seasons

A:

The reason there are four seasons is that the earth is tilted 23.5 degrees on its axis. For half the year, this tilt causes one half of the earth to tilt toward the sun while the other half tilts away. This changes every six months, creating the seasons.

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  • Why are there four seasons?

    Q: Why are there four seasons?

    A: The reason there are four seasons is that the earth is tilted 23.5 degrees on its axis. For half the year, this tilt causes one half of the earth to tilt toward the sun while the other half tilts away. This changes every six months, creating the seasons.
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  • How many days is it from the begining of the year until spring?

    Q: How many days is it from the begining of the year until spring?

    A: The first day of spring occurs on March 20 in the Northern Hemisphere, 79 days after the first day of the year. During leap years, when the month of February has 29 days instead of 28, the first day of spring falls on the 80th day of the year.
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  • Why is February the shortest month of the year?

    Q: Why is February the shortest month of the year?

    A: February is the shortest month because it is used to realign the calendar with the solar year by adding days during leap years. The reason February was chosen for this purpose goes back to the Romans, who did not originally have months for the winter season.
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  • On what day does fall start?

    Q: On what day does fall start?

    A: Among astronomers, the general consensus for the start of the fall season is when the sun's central disk traverses the celestial equator in a southward direction, normally occurring around the third week of September. However, meteorologists mark the beginning of autumn on September 1.
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  • When is summer in Mexico?

    Q: When is summer in Mexico?

    A: Mexico shares the same summer as the United States, which includes the months of June, July and August. However, Mexico is close enough to the equator that temperatures remain fairly constant throughout the entire year, especially in the southern portions of the country.
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  • What months make up the first quarter?

    Q: What months make up the first quarter?

    A: January, February and March are the months that make up the first quarter if an organization's fiscal year starts at the beginning of January. Different organizations may start their fiscal years at different times, though, and the first three months of that time period would make up the first quarter. In the business and government sectors in the United States, a year is divided up into four pieces, each of which is called a quarter. This is done so that analysts, accountants, independent contractors, investors, tax regulators and other interested parties can easily track growth, profits, goals and set due dates for certain regulatory items.
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  • How short is the shortest day of the year?

    Q: How short is the shortest day of the year?

    A: The length of the shortest day of the year depends on the location. In the United States, some areas get less than 4 hours of sunshine on the shortest day. In places like Washington and New York, the shortest day lasts for up to 9 1/2 hours.
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  • What does the spring season mean?

    Q: What does the spring season mean?

    A: The spring season often brings warmer temperatures and new growth, and is celebrated by people around the world with festivals and fairs. Spring is the period of time between the vernal equinox, which falls around March 21 each year, and the summer solstice, which takes place every year on June 21. As the spring season progresses, days and nights become milder, flowers and plants bloom, and days become longer.
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  • When does summer begin?

    Q: When does summer begin?

    A: The season of summer begins with the summer solstice. The summer solstice is the day in which the most amount of sunlight occurs during the day. In the Northern Hemisphere, the summer solstice is around June 21st. In the Southern Hemisphere, it takes place around December 21st.
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  • Why is an extra day added to February every four years?

    Q: Why is an extra day added to February every four years?

    A: An extra day is added to February every four years to synchronize the Gregorian calendar with the solar calendar. One year in the solar calendar is 5 hours, 48 minutes and 46 seconds longer than one year in the Gregorian calendar, the calendar used by most modern countries.
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  • What months have 31 days?

    Q: What months have 31 days?

    A: There are seven months in the Gregorian calendar that have 31 days. The months of the year that have 31 days are January, March, May, July, August, October and December.
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  • Q: Why was daylight savings time initiated?

    A: Daylight savings time was initiated as an energy saving measure. By moving the clocks ahead one hour, people could take advantage of an extra hour of daylight. Benjamin Franklin came up with the idea in 1784, but it wasn't implemented in the United States until World War I.
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  • Q: What are some ways to find out what day a specific date falls on?

    A: The two most easily available ways to calculate what day a specific date falls on are to either construct a perpetual calendar online or mentally calculate the day. The mental calculation method is called The Marais Formula. Online calculators are numerous, free and come in a number of different formats.
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  • How many days are there in April?

    Q: How many days are there in April?

    A: The month of April always has 30 days. April is one of the four months in a year that have 30 days, and April always starts on the same day of the week as July each year.
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  • Why do the months have different numbers of days?

    Q: Why do the months have different numbers of days?

    A: Months have different numbers of days because a month is a measure of time that corresponds or nearly corresponds to the length of time the Moon revolves once around Earth. The lengths of all astronomical months vary slightly due to perturbations in the Moon’s orbit.
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  • Q: What are some examples of winter slogans?

    A: One of the famous winter slogans is "Hot.Wintry.Yours". It was chosen by the Organizing Committee of the 2014 Winter Olympics in Sochi, Russia.
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  • How long is winter?

    Q: How long is winter?

    A: Winter is approximately 3 months long — at least by the calendar. Officially, winter begins on the winter solstice and ends on the spring equinox.
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  • What month does spring start?

    Q: What month does spring start?

    A: Spring starts in the month of March. Astronomically, spring begins at the precise point in time when the center of the sun passes directly over the Equator. This moment is called the vernal equinox.
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  • How do we get seasons?

    Q: How do we get seasons?

    A: According to NASA Spaceplace, the Earth has its seasons, formally understood as weather and climate patterns, of winter, spring, summer and fall because the planet’s axis is tilted at an angle from the plane of orbit around the sun. As the Earth orbits the sun, the tilted axis always points in the same direction, so different parts of Earth get the sun's direct rays and certain areas do not.
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  • Q: What are some facts about the month of March?

    A: As of 2015, March is the third month of the year, but it wasn't always so. March was the first month of the 10-month year in the Roman calendar because it was close to spring. Even now, the vernal equinox falls between March 19 and the 21st.
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  • Q: What are the four seasons of the year?

    A: The four seasons of the year are winter, spring, summer and autumn. Each of these seasons occur depending on the Earth's position in its orbit and the tilt of the planet as it moves through its orbit.
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