166 relations: A Midsummer Night's Dream, Agrahayana, Alert, Nunavut, Antarctic Circle, Antarctica, Apsis, Arctic Circle, Arctic Ocean, Ashadha, Asharh, Ashvin, Astronomy, Atlantic hurricane season, Autumn, Axial tilt, Basant (season), Beltane, Bengali calendars, Bhadro, Biological life cycle, Boishakh, Brisbane, British Columbia, British Isles, Calendar, Canada, CBC News, Celts, Chaitra, Chinese calendar, Chinese New Year, Choitro, Climate, Continental climate, Coordinated Universal Time, Crocus, Culmination, Daylight, Daytime, Definition, Degree (angle), Dry season, Earth, Earth's orbit, East Asia, Ecliptic, Ecology, Effect of Sun angle on climate, Egypt, El Niño–Southern Oscillation, ..., Ellesmere Island, Ellipse, Elliptic orbit, Equator, Equinox, Europe, Falgun, Flooding of the Nile, Greenwich, Groundhog Day, Growing season, H2g2, Halloween, Harmattan, Harvest, Hedgehog, Hibernation, Hindu calendar, Horizontal coordinate system, Imbolc, Indian Ocean, Indian summer, Intertropical Convergence Zone, Johannes Kepler, Joishtho, Jyeshtha (month), Kartik (month), Kepler's laws of planetary motion, Latitude, Leap year, Lughnasadh, Magh (Bengali calendar), Magha (month), March equinox, May Day, Mid-Autumn Festival, Midnight sun, Midwestern United States, Milankovitch cycles, Monsoon, Month, Nautical mile, New South Wales, New Zealand, Nicaragua, Nile, Noon, North Pole, Northern Hemisphere, Northern Territory, Ocean, Ocean current, Oceanic climate, Ogrohayon, Orbital eccentricity, Orbital plane (astronomy), Paganism, Pausha, Perihelion and aphelion, Persephone, Phalguna, Phil Plait, Polar night, Polar regions of Earth, Poush, Precipitation, Queensland, Radiant flux, Rain, Ritu (Indian season), Ritual, Rotation around a fixed axis, Samhain, Season of the Emergence, Season of the Harvest, Season of the Inundation, Seasonal lag, Sharad, Shraavana, Solar irradiance, Solar term, Solstice, South Australia, South Pole, Southern Hemisphere, Sowing, Spring (season), Srabon, Subarctic climate, Subtropics, Summer, Sun, Sun path, Sunlight, Tamil calendar, Tasmania, Temperate climate, Terminator (solar), The Straight Dope, Tonga, Tornado climatology, Tropics, Twilight, UTC+02:00, Vaisakha, Vertumnus, Victoria (Australia), Weather, Western Australia, Wet season, Wheel of the Year, Wildfire, William Shakespeare, Wind, Winter, Year. Expand index (116 more) » « Shrink index
A Midsummer Night's Dream is a comedy written by William Shakespeare in 1595/96.
Agrahāyaṇa or Mārgaśīrṣa, (Hindi: अगहन - agahana; मार्गशीर्ष - Mārgaśirṣa) is a month of the Hindu calendar.
Alert, in the Qikiqtaaluk Region, Nunavut, Canada, is the northernmost permanently inhabited place in the world, ("Twice a year, the military resupply Alert, the world's northernmost settlement.") at latitude 82°30'05" north, from the North Pole.
The Antarctic Circle is the most southerly of the five major circles of latitude that mark maps of the Earth.
Antarctica is Earth's southernmost continent.
An apsis (ἁψίς; plural apsides, Greek: ἁψῖδες) is an extreme point in the orbit of an object.
The Arctic Circle is the most northerly of the five major circles of latitude as shown on maps of Earth.
The Arctic Ocean is the smallest and shallowest of the world's five major oceans.
Ashadha or Aashaadha (आषाढ Āsādh or आषाढ़ Āṣārh, ଆଷାଢ.) is a month of the Hindu calendar (and of the present-day Nepali calendar) that corresponds to June/July in the Gregorian calendar.
Asharh (আষাঢ়, Ashaŗh) is the third month of the Bengali calendar and the Nepali system of the Hindu calendar.
Ashvin or Ashwin (आश्विन, असोज, আশ্বিন; अश्विन; Malay/Indonesian: Aswin; Thai: Asawin), also known as Aswayuja, is the seventh month of the lunisolar Hindu calendar, the Vikram Samvat, which is the official solar calendar of Nepal and the parts of India.
Astronomy (from ἀστρονομία) is a natural science that studies celestial objects and phenomena.
The Atlantic hurricane season is the period in a year when hurricanes usually form in the Atlantic Ocean.
Autumn, also known as fall in American and Canadian English, is one of the four temperate seasons.
In astronomy, axial tilt, also known as obliquity, is the angle between an object's rotational axis and its orbital axis, or, equivalently, the angle between its equatorial plane and orbital plane.
Vasanta (वसन्तः; बसंत; বসন্ত; ਬਸੰਤ, ﺑﺴﻨﺖ; ವಸಂತ; వసంత; വസന്തം, வஸந்தம்) also known as Basant, refers to the Indian spring, and ritu means season.
Beltane is the anglicised name for the Gaelic May Day festival.
The Bengali Calendar or Bangla Calendar (Baṅgābda) is a solar calendar used in the region of Bengal.
Bhadro (ভাদ্র Bhadrô) is the fifth month in the Bengali calendar.
In biology, a biological life cycle (or just life cycle when the biological context is clear) is a series of changes in form that an organism undergoes, returning to the starting state.
Boishakh (Bôishakh) is the first month in the Bengali Calendar.
Brisbane is the capital of and most populous city in the Australian state of Queensland, and the third most populous city in Australia.
British Columbia (BC; Colombie-Britannique) is the westernmost province of Canada, located between the Pacific Ocean and the Rocky Mountains.
The British Isles are a group of islands off the north-western coast of continental Europe that consist of the islands of Great Britain, Ireland, the Isle of Man and over six thousand smaller isles.
A calendar is a system of organizing days for social, religious, commercial or administrative purposes.
Canada is a country located in the northern part of North America.
CBC News is the division of the Canadian Broadcasting Corporation responsible for the news gathering and production of news programs on the corporation's English-language operations, namely CBC Television, CBC Radio, CBC News Network, and CBC.ca.
The Celts (see pronunciation of ''Celt'' for different usages) were an Indo-European people in Iron Age and Medieval Europe who spoke Celtic languages and had cultural similarities, although the relationship between ethnic, linguistic and cultural factors in the Celtic world remains uncertain and controversial.
Chaitra is a month of the Hindu calendar.
The traditional Chinese calendar (official Chinese name: Rural Calendar, alternately Former Calendar, Traditional Calendar, or Lunar Calendar) is a lunisolar calendar which reckons years, months and days according to astronomical phenomena.
Chinese New Year, usually known as the Spring Festival in modern China, is an important Chinese festival celebrated at the turn of the traditional lunisolar Chinese calendar.
Choitro (চৈত্র) is the last month of the Bengali calendar.
Climate is the statistics of weather over long periods of time.
Continental climates are defined in the Köppen climate classification as having the coldest month with the temperature never rising above 0.0° C (32°F) all month long.
Crocus (English plural: crocuses or croci) is a genus of flowering plants in the iris family comprising 90 species of perennials growing from corms.
In astronomy, the culmination of a planet, star, or constellation is its transit over an observer's meridian.
Daylight, or the light of day, is the combination of all direct and indirect sunlight during the daytime.
On Earth, daytime is roughly the period of the day during which any given point in the world experiences natural illumination from especially direct sunlight.
A definition is a statement of the meaning of a term (a word, phrase, or other set of symbols).
A degree (in full, a degree of arc, arc degree, or arcdegree), usually denoted by ° (the degree symbol), is a measurement of a plane angle, defined so that a full rotation is 360 degrees.
The dry season is a yearly period of low rainfall, especially in the tropics.
Earth is the third planet from the Sun and the only astronomical object known to harbor life.
Earth's orbit is the trajectory along which Earth travels around the Sun.
East Asia is the eastern subregion of the Asian continent, which can be defined in either geographical or ethno-cultural "The East Asian cultural sphere evolves when Japan, Korea, and what is today Vietnam all share adapted elements of Chinese civilization of this period (that of the Tang dynasty), in particular Buddhism, Confucian social and political values, and literary Chinese and its writing system." terms.
The ecliptic is the circular path on the celestial sphere that the Sun follows over the course of a year; it is the basis of the ecliptic coordinate system.
Ecology (from οἶκος, "house", or "environment"; -λογία, "study of") is the branch of biology which studies the interactions among organisms and their environment.
The amount of heat energy received at any location on the globe is a direct effect of Sun angle on climate, as the angle at which sunlight strikes the Earth varies by location, time of day, and season due to the Earth's orbit around the Sun and the Earth's rotation around its tilted axis.
Egypt (مِصر, مَصر, Khēmi), officially the Arab Republic of Egypt, is a transcontinental country spanning the northeast corner of Africa and southwest corner of Asia by a land bridge formed by the Sinai Peninsula.
El Niño–Southern Oscillation (ENSO) is an irregularly periodic variation in winds and sea surface temperatures over the tropical eastern Pacific Ocean, affecting climate of much of the tropics and subtropics.
Ellesmere Island (Inuit: Umingmak Nuna, meaning "land of muskoxen"; Île d'Ellesmere) is part of the Qikiqtaaluk Region in the Canadian territory of Nunavut.
In mathematics, an ellipse is a curve in a plane surrounding two focal points such that the sum of the distances to the two focal points is constant for every point on the curve.
In astrodynamics or celestial mechanics, an elliptic orbit or elliptical orbit is a Kepler orbit with an eccentricity of less than 1; this includes the special case of a circular orbit, with eccentricity equal to 0.
An equator of a rotating spheroid (such as a planet) is its zeroth circle of latitude (parallel).
An equinox is commonly regarded as the moment the plane (extended indefinitely in all directions) of Earth's equator passes through the center of the Sun, which occurs twice each year, around 20 March and 22-23 September.
Europe is a continent located entirely in the Northern Hemisphere and mostly in the Eastern Hemisphere.
Fālgun or Phālgun (ফাগুন, फाल्गुन) is the eleventh month in the Bengali calendar and Nepali calendar.
The flooding of the Nile has been an important natural cycle in Egypt since ancient times.
Greenwich is an area of south east London, England, located east-southeast of Charing Cross.
Groundhog Day, (Pennsylvania German: Grund'sau dåk, Grundsaudaag, Grundsow Dawg, Murmeltiertag; Nova Scotia: Daks Day) is a popular tradition celebrated in the United States and Canada on February 2.
The growing season is the part of the year during which local weather conditions (i.e. rainfall and temperature) permit normal plant growth.
The h2g2 website is a British-based collaborative online encyclopedia project.
Halloween or Hallowe'en (a contraction of All Hallows' Evening), also known as Allhalloween, All Hallows' Eve, or All Saints' Eve, is a celebration observed in a number of countries on 31 October, the eve of the Western Christian feast of All Hallows' Day.
The Harmattan is a season in the West African subcontinent, which occurs between the end of November and the middle of March.
Harvesting is the process of gathering a ripe crop from the fields.
A hedgehog is any of the spiny mammals of the subfamily Erinaceinae, in the eulipotyphlan family Erinaceidae.
Hibernation is a state of inactivity and metabolic depression in endotherms.
Hindu calendar is a collective term for the various lunisolar calendars traditionally used in India.
The horizontal coordinate system is a celestial coordinate system that uses the observer's local horizon as the fundamental plane.
Imbolc or Imbolg, also called (Saint) Brigid's Day (Lá Fhéile Bríde, Là Fhèill Brìghde, Laa'l Breeshey), is a Gaelic traditional festival marking the beginning of spring.
The Indian Ocean is the third largest of the world's oceanic divisions, covering (approximately 20% of the water on the Earth's surface).
Indian summer is a period of unseasonably warm, dry weather that sometimes occurs in spring and autumn in the Northern Hemisphere.
The Intertropical Convergence Zone (ITCZ), known by sailors as the doldrums, is the area encircling Earth near the Equator, where the northeast and southeast trade winds converge.
Johannes Kepler (December 27, 1571 – November 15, 1630) was a German mathematician, astronomer, and astrologer.
Joishtho (জ্যৈষ্ঠ Jyôishţhô or জৈষ্ঠ্য Jôishţhyô) is the second month and the last month for summer of the Bengali calendar.
Jyeshtha or Jyēṣṭha (ज्येष्ठ; जेठ jēṭ; জেঠ "zeth") is a month of the Hindu calendar.
Karthikai, Kartika, Karthika or Kartik or Kartika maasam is a Hindu calendar month that typically overlaps October and November.
In astronomy, Kepler's laws of planetary motion are three scientific laws describing the motion of planets around the Sun.
In geography, latitude is a geographic coordinate that specifies the north–south position of a point on the Earth's surface.
A leap year (also known as an intercalary year or bissextile year) is a calendar year containing one additional day (or, in the case of lunisolar calendars, a month) added to keep the calendar year synchronized with the astronomical or seasonal year.
Lughnasadh or Lughnasa (pronounced) is a Gaelic festival marking the beginning of the harvest season.
Magh (মাঘ) is the tenth month in the Bengali calendar.
Maagha (Nepali: माघ maagh) is a month of the Hindu calendar.
The March equinox or Northward equinox is the equinox on the Earth when the subsolar point appears to leave the southern hemisphere and cross the celestial equator, heading northward as seen from Earth.
May Day is a public holiday usually celebrated on 1 May.
The Mid-Autumn Festival is a harvest festival celebrated notably by ethnic Chinese and Vietnamese peoples.
The midnight sun is a natural phenomenon that occurs in the summer months in places north of the Arctic Circle or south of the Antarctic Circle, when the sun remains visible at the local midnight.
The Midwestern United States, also referred to as the American Midwest, Middle West, or simply the Midwest, is one of four census regions of the United States Census Bureau (also known as "Region 2").
Milankovitch cycles describe the collective effects of changes in the Earth's movements on its climate over thousands of years.
Monsoon is traditionally defined as a seasonal reversing wind accompanied by corresponding changes in precipitation, but is now used to describe seasonal changes in atmospheric circulation and precipitation associated with the asymmetric heating of land and sea.
A month is a unit of time, used with calendars, which is approximately as long as a natural period related to the motion of the Moon; month and Moon are cognates.
A nautical mile is a unit of measurement defined as exactly.
New South Wales (abbreviated as NSW) is a state on the east coast of:Australia.
New Zealand (Aotearoa) is a sovereign island country in the southwestern Pacific Ocean.
Nicaragua, officially the Republic of Nicaragua, is the largest country in the Central American isthmus, bordered by Honduras to the north, the Caribbean to the east, Costa Rica to the south, and the Pacific Ocean to the west.
The Nile River (النيل, Egyptian Arabic en-Nīl, Standard Arabic an-Nīl; ⲫⲓⲁⲣⲱ, P(h)iaro; Ancient Egyptian: Ḥ'pī and Jtrw; Biblical Hebrew:, Ha-Ye'or or, Ha-Shiḥor) is a major north-flowing river in northeastern Africa, and is commonly regarded as the longest river in the world, though some sources cite the Amazon River as the longest.
Noon (also midday or noon time) is 12 o'clock in the daytime, as opposed to midnight.
The North Pole, also known as the Geographic North Pole or Terrestrial North Pole, is (subject to the caveats explained below) defined as the point in the Northern Hemisphere where the Earth's axis of rotation meets its surface.
The Northern Hemisphere is the half of Earth that is north of the Equator.
The Northern Territory (abbreviated as NT) is a federal Australian territory in the central and central northern regions of Australia.
An ocean (the sea of classical antiquity) is a body of saline water that composes much of a planet's hydrosphere.
An ocean current is a seasonal directed movement of sea water generated by forces acting upon this mean flow, such as wind, the Coriolis effect, breaking waves, cabbing, temperature and salinity differences, while tides are caused by the gravitational pull of the Sun and Moon.
An oceanic or highland climate, also known as a marine or maritime climate, is the Köppen classification of climate typical of west coasts in higher middle latitudes of continents, and generally features cool summers (relative to their latitude) and cool winters, with a relatively narrow annual temperature range and few extremes of temperature, with the exception for transitional areas to continental, subarctic and highland climates.
Ogrohayon (অগ্রহায়ণ Ôgrôhayôn) or alternately spelled Agrahayan is the eighth month in the Bengali calendar.
The orbital eccentricity of an astronomical object is a parameter that determines the amount by which its orbit around another body deviates from a perfect circle.
The orbital plane of a revolving body is the geometric plane on which its orbit lies.
Paganism is a term first used in the fourth century by early Christians for populations of the Roman Empire who practiced polytheism, either because they were increasingly rural and provincial relative to the Christian population or because they were not milites Christi (soldiers of Christ).
Pausha (पौष, पूस, தை) is a month of the Hindu calendar in the Indian national calendar, and the tenth month of the year, corresponding with December/January in the Gregorian calendar.
The perihelion of any orbit of a celestial body about the Sun is the point where the body comes nearest to the Sun.
In Greek mythology, Persephone (Περσεφόνη), also called Kore ("the maiden"), is the daughter of Zeus and Demeter and is the queen of the underworld.
Phalguna or (फाल्गुन, பங்குனி) is a month of the Hindu calendar.
Philip Cary Plait (born September 30, 1964), also known as The Bad Astronomer, is an American astronomer, skeptic, writer and popular science blogger.
The polar night occurs in the northernmost and southernmost regions of the Earth when the night lasts for more than 24 hours.
The polar regions, also called the frigid zones, of Earth are the regions of the planet that surround its geographical poles (the North and South Poles), lying within the polar circles.
Poush (পৌষ; पौष) is the 9th month of both the Bengali calendar and the Nepali calendar.
In meteorology, precipitation is any product of the condensation of atmospheric water vapor that falls under gravity.
Queensland (abbreviated as Qld) is the second-largest and third-most populous state in the Commonwealth of Australia.
In radiometry, radiant flux or radiant power is the radiant energy emitted, reflected, transmitted or received, per unit time, and spectral flux or spectral power is the radiant flux per unit frequency or wavelength, depending on whether the spectrum is taken as a function of frequency or of wavelength.
Rain is liquid water in the form of droplets that have condensed from atmospheric water vapor and then becomes heavy enough to fall under gravity.
Ritu (ऋतु, ঋতু) defines "season" in different calendars around the South Asian countries of India, Bangladesh, Nepal and Sri Lanka, and there are six ritus (also transliterated rutu) or seasons.
A ritual "is a sequence of activities involving gestures, words, and objects, performed in a sequestered place, and performed according to set sequence".
Rotation around a fixed axis or about a fixed axis of revolution or motion with respect to a fixed axis of rotation is a special case of rotational motion.
Samhain is a Gaelic festival marking the end of the harvest season and the beginning of winter or the "darker half" of the year.
The Season of the Emergence (Prt) was the second season of the lunar and civil Egyptian calendars.
The Season of the Harvest or Low Water was the third and final season of the lunar and civil Egyptian calendars.
The Season of the Inundation or Flood (Ꜣḫt) was the first season of the lunar and civil Egyptian calendars.
Seasonal lag is the phenomenon whereby the date of maximum average air temperature at a geographical location on a planet is delayed until some time after the date of maximum insolation.
Sharad (शरद्) is the early autumn season or ritu in the Hindu calendar.
Śrāvaṇa (श्रावण), (shraavan), (saavan) is the fifth month of the Hindu calendar.
Solar irradiance is the power per unit area received from the Sun in the form of electromagnetic radiation in the wavelength range of the measuring instrument.
A solar term is any of 24 points in traditional East Asian lunisolar calendars that matches a particular astronomical event or signifies some natural phenomenon.
A solstice is an event occurring when the Sun appears to reach its most northerly or southerly excursion relative to the celestial equator on the celestial sphere.
South Australia (abbreviated as SA) is a state in the southern central part of Australia.
The South Pole, also known as the Geographic South Pole or Terrestrial South Pole, is one of the two points where the Earth's axis of rotation intersects its surface.
The Southern Hemisphere is the half of Earth that is south of the Equator.
Sowing is the process of planting.
Spring is one of the four conventional temperate seasons, following winter and preceding summer.
Srabon or Shrabon (শ্রাবণ Shrabôn) is the fourth month of the Bengali calendar and one of the two months that make up the wet season, locally called "Barsha" (বর্ষা Bôrsha).
The subarctic climate (also called subpolar climate, subalpine climate, or boreal climate) is a climate characterised by long, usually very cold winters, and short, cool to mild summers.
The subtropics are geographic and climate zones located roughly between the tropics at latitude 23.5° (the Tropic of Cancer and Tropic of Capricorn) and temperate zones (normally referring to latitudes 35–66.5°) north and south of the Equator.
Summer is the hottest of the four temperate seasons, falling after spring and before autumn.
The Sun is the star at the center of the Solar System.
Sun path, sometimes also called day arc, refers to the daily and seasonal arc-like path that the Sun appears to follow across the sky as the Earth rotates and orbits the Sun.
Sunlight is a portion of the electromagnetic radiation given off by the Sun, in particular infrared, visible, and ultraviolet light.
The Tamil calendar is a sidereal Hindu calendar used in Tamil Nadu, India.
Tasmania (abbreviated as Tas and known colloquially as Tassie) is an island state of Australia.
In geography, the temperate or tepid climates of Earth occur in the middle latitudes, which span between the tropics and the polar regions of Earth.
A terminator or twilight zone is a moving line that divides the daylit side and the dark night side of a planetary body.
"The Straight Dope" was an online question-and-answer newspaper column published from 1973 to 2018 in the Chicago Reader and syndicated in eight newspapers in the United States.
Tonga (Tongan: Puleʻanga Fakatuʻi ʻo Tonga), officially the Kingdom of Tonga, is a Polynesian sovereign state and archipelago comprising 169 islands, of which 36 are inhabited.
Tornadoes have been recorded on all continents except Antarctica and are most common in the middle latitudes where conditions are often favorable for convective storm development.
The tropics are a region of the Earth surrounding the Equator.
Twilight on Earth is the illumination of the lower atmosphere when the Sun itself is not directly visible because it is below the horizon.
UTC+02:00 is an identifier for a time offset from UTC of +02.
Vaisakha (వైశాఖ) Vaishakha (वैशाख) Boishakh or Baisakha(বৈশাখ) Vaikasi(வைகாசி) (Hindi: बैसाख) (Odia: ବୈଶାଖ)(बैशाख) is a month of the Hindu calendar that corresponds to April/May in the Gregorian Calendar.
In Roman mythology, Vertumnus (also Vortumnus or Vertimnus) is the god of seasons, change and plant growth, as well as gardens and fruit trees.
Victoria (abbreviated as Vic) is a state in south-eastern Australia.
Weather is the state of the atmosphere, describing for example the degree to which it is hot or cold, wet or dry, calm or stormy, clear or cloudy.
Western Australia (abbreviated as WA) is a state occupying the entire western third of Australia.
The monsoon season, is the time of year when most of a region's average annual rainfall occurs.
The Wheel of the Year is an annual cycle of seasonal festivals, observed by many modern Pagans.
A wildfire or wildland fire is a fire in an area of combustible vegetation that occurs in the countryside or rural area.
William Shakespeare (26 April 1564 (baptised)—23 April 1616) was an English poet, playwright and actor, widely regarded as both the greatest writer in the English language, and the world's pre-eminent dramatist.
Wind is the flow of gases on a large scale.
Winter is the coldest season of the year in polar and temperate zones (winter does not occur in the tropical zone).
A year is the orbital period of the Earth moving in its orbit around the Sun.
Astronomical season, Chinese season, Chinese seasons, Chun (season), Earth's seasons, First day of winter, Heliocentric view of the seasons, Japanese season, Japanese seasons, SEASONS, Season (China), Season (Japan), Seasonal, Seasonally, Seasons, Seasons (China), Seasons (Japan), Spring (China).