Agni Nakshathiram

[GNANA SUNYAM]

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This year's Agni Nakshathiram ended yesterday.

As expected many cities especially Madras and other cities in TN, reported 'Kathiri Veyyil' with temperatures shooting up to even 103 Degree Fahrenheit.

Last week I happened to be in Bangalore, in Electronic City, a small yet posh town, 10 Km from Bangalore City Limits, en-route Hosur, on the highway connecting Bangalore to TN border.

I learnt from my relatives in Bangalore, that while cities in TN are reeling under sweltering heat during Agni Nakshathiram, the city of Bangalore enjoys rains throughout the period of Agni Nakshathiram.

I observed, in Bangalore, on the very first day Agni Nakshathiram sets in, it rains in Bangalore. And on every day it was raining. Even if it is hot during day, from somewhere suddenly rain clouds gather and it starts raining.

Last Sunday it rained heavily in Bangalore, especially in Electronic City, popularly known as the Silicon Valley of India. The whole of that day weather was cool and for the first time I never used fan during summer. The wind from fan was so chill I had to switch off the fan. Nevertheless I found few trees in Electronic City and it is mostly a concrete jungle, most of the residents being employees of IT companies huddled in this small town.

There have been some years when, on every day of the Agni Nakshathiram period, it had rained in Bangalore and also in the sattellite towns around Bangalore.

In this way, Bangalore seems to be blessed city.

Could someone explain this phenomenon 'Agni Nakshathiram' please?

What happens astronomically, during this period, that causes 'kathiri veyyil' in parts of India?

What signals the setting in and receding of this phenomenon?

 

[tbs]

hi
i think sun is very close to earth....may be very close to chennai/tn areas....

 

[tbs]

hi
i think sun is very close to earth....may be very close to chennai/tn areas....even i never heard in kerala too....in my childhood

i used to enjoy kerala weather during summer vacation days....its tamil word...kathiri veyyil....may be special for tamil nadu..

 

[Raji Ram]

''The passing of sun through 3rd and 4th quarter of Bharani Nakshatra and the four quarters of Krittika

and the first quarter of Rohini Star is the period of Agni Nakshatram.

As it is the peak summer season, the period is considered inauspicious and therefore some people refer

the period as Agni Nakshathra dosha. The period is also known as Katthhir and Kartari.''

'Kartari veyyil' has changed as 'kaththiri veyyil'! Makes sense because the heat cuts through the body! :flame:

Source: Agni Nakshatram

 

[GANESH65]

''The passing of sun through 3rd and 4th quarter of Bharani Nakshatra and the four quarters of Krittika

and the first quarter of Rohini Star is the period of Agni Nakshatram.

As it is the peak summer season, the period is considered inauspicious and therefore some people refer

the period as Agni Nakshathra dosha. The period is also known as Katthhir and Kartari.''

'Kartari veyyil' has changed as 'kaththiri veyyil'! Makes sense because the heat cuts through the body! :flame:

Source: Agni Nakshatram

:thumb::thumb:

 

[Raji Ram]

Proper surfing gives lots of info. we need!

Thanks to Computer Ji!

 

[GNANA SUNYAM]

''The passing of sun through 3rd and 4th quarter of Bharani Nakshatra and the four quarters of Krittika

and the first quarter of Rohini Star is the period of Agni Nakshatram.

As it is the peak summer season, the period is considered inauspicious and therefore some people refer

the period as Agni Nakshathra dosha. The period is also known as Katthhir and Kartari.''

'Kartari veyyil' has changed as 'kaththiri veyyil'! Makes sense because the heat cuts through the body! :flame:

Source: Agni Nakshatram

sir,

i saw the same in net.

but this sounds more astrological.

could you please provide an astronomical explanation?

 

[Raji Ram]

Dear Gnanam Sir,

The explanation is astronomical too because the Sun travels through all the 12 zodiac signs in one year.

Horoscope charts are based on the position of the Sun which travels through 2 and 1/4 stars every month.

Please see this video: The Sun's Path along the Ecliptic through the Zodiac

In the hottest month May, the Sun passes through a part of Bharani, full Karthigai and a part of Rohini.

Since Karthigai is related to Lord Karthikeya, who is born from the fire, it is known as agni nakshatram.

Hope it makes sense, now!

Mrs. Raji Ram

 

[thebigthinkg]

Earth rotates on its axis and revolves around the sun. In that process, it wobbles and its axis of rotation changes continuously. In other words, the axis of rotation of earth tilts towards sun and moves away from the sun, as it revolves around the sun. This is called precession.

This tilting of axis of rotation of earth towards sun and moving away from sun, as earth revolves around the sun is what is seen by us as sun moving through the sky or different constellations.

Although the distance between the Sun and Earth changes throughout the year as the Earth travels around the sun in an elliptical path, this has no effect on the seasons. For eg. in May, actually earth is closer to its aphelion (which in 2017 is on 4th July), which is the farthest point away from sun. But we get maximum radiation from sun at that time.

The amount of radiation that the Earth receives from the Sun depends on the degree of tilt, earth has towards the Sun. Temperature changes are directly related to the degree of tilt and radiation received.

In December, Earth's axis of rotation is tilted away from the sun. The sun light shines directly on tropic of capricorn below the equator. In July Earth's axis of rotation is tilted towards the sun. The sun shines directly on tropic of cancer above the equator.

Between December to July the earth's axis of rotation is tilting slowly from 'away from the sun' to 'towards the sun'. Our region is situated above equator and below the tropic of cancer. So around May-june time-frame, the sun shines directly on us, during the days of Agni nakshatram, due to earth's axis of rotation tilting towards sun. We happen to see sun traversing through Bharani/Kritika during this period.

Though we receive maximum radiation during Agni Nakshatram days, it always does not translate to more heat. A biggest modifier of temperature is pollution. Local weather conditions also change the actual heat felt in a given area.

How were our ancient people able to segregate local weather conditions out and say that the maximum sun shines happens when sun traverses through last quarters of bharani and quarters of krittika star, which they name Agni nakshatram.. ?

Probably they were more scientific, methodical and rational than many of us are.

-TBT

 

[Raji Ram]

........ This tilting of axis of rotation of earth towards sun and moving away from sun, as earth revolves around the sun is what is seen by us as sun moving through the sky or different constellations. ......

Yeah! The Sun appears to move to different constellations.

The Earth rotates on its axis, but we say 'The Sun rises and sets!'

 

[GNANA SUNYAM]

Earth rotates on its axis and revolves around the sun. In that process, it wobbles and its axis of rotation changes continuously. In other words, the axis of rotation of earth tilts towards sun and moves away from the sun, as it revolves around the sun. This is called precession.

This tilting of axis of rotation of earth towards sun and moving away from sun, as earth revolves around the sun is what is seen by us as sun moving through the sky or different constellations.

Although the distance between the Sun and Earth changes throughout the year as the Earth travels around the sun in an elliptical path, this has no effect on the seasons. For eg. in May, actually earth is closer to its aphelion (which in 2017 is on 4th July), which is the farthest point away from sun. But we get maximum radiation from sun at that time.

The amount of radiation that the Earth receives from the Sun depends on the degree of tilt, earth has towards the Sun. Temperature changes are directly related to the degree of tilt and radiation received.

In December, Earth's axis of rotation is tilted away from the sun. The sun light shines directly on tropic of capricorn below the equator. In July Earth's axis of rotation is tilted towards the sun. The sun shines directly on tropic of cancer above the equator.

Between December to July the earth's axis of rotation is tilting slowly from 'away from the sun' to 'towards the sun'. Our region is situated above equator and below the tropic of cancer. So around May-june time-frame, the sun shines directly on us, during the days of Agni nakshatram, due to earth's axis of rotation tilting towards sun. We happen to see sun traversing through Bharani/Kritika during this period.

Though we receive maximum radiation during Agni Nakshatram days, it always does not translate to more heat. A biggest modifier of temperature is pollution. Local weather conditions also change the actual heat felt in a given area.

How were our ancient people able to segregate local weather conditions out and say that the maximum sun shines happens when sun traverses through last quarters of bharani and quarters of krittika star, which they name Agni nakshatram.. ?

Probably they were more scientific, methodical and rational than many of us are.

-TBT

Sir,

Recapitulating what I studied in my Geography subject in High School:

The Earth revolves around the Sun

The Earth's orbit of revolution around the Sun is Elliptical and not circular

The Earth, besides revolving around the Sun, also rotates around an axis, the axis being from North Pole to South Pole

The axis of rotation of the Earth is inclined to the plane of revolution around the Sun at an angle of 23 Degrees which accounts for different seasons.

Owing to the inclination of the axis of rotation of the Earth at an angle to the plane of revolution of the Earth around the Sun, the Sun apparently moves to and fro the poles during the year. The apparent movement of the Sun towards North Pole is called Utharayanam and the apparent movement of the Sun towards South Pole is called Dhakshinayanam.

Twice during a year, the Sun is overhead above the Equator and this phenomenon is called EQUINOX.

On 2 occasions, owing to inclination of Earth's axis of rotation at an angle to the plane its revolution, either of the poles, is farthest and nearest to the sun during the revolution. This phenomenon is called Solstice. Precisely, on one Solstice the North Pole is nearest to the sun while simultaneously the South Pole is farthest from the sun and vice versa. When North Pole is nearest to the Sun, it is called Summer solstice in the Norther Hemisphere and weather is warmer in Norther Hemisphere and it is called Winter Solstice in the Southern Hemisphere where weather is cooler. It is Vice Versa when South Pole is nearest to the Sun; it is Summer Solstice in Southern Hemisphere and Winter Solstice in Northern Hemisphere.

The Equinoxes are around 23rd March and 23rd September respectively.

In Northern Hemisphere the Summer Solstice is around 21st June, when the Sun is at its Northernmost point and Winter Solstice is around 22nd December when the Sun is at its Southernmost point.

When it is Summer Solstice in Northern Hemisphere, simultaneously it is Winter Solstice in Southern Hemisphere and vice versa.

During its revolution around the Sun, excepting the points in Norther Hemisphere and Southern Hemisphere where the apparent movement of the Sun reaches its farthest point, the other parts of the Earth must experience the Sun overhead above them twice during the year; once during its apparent movement towards the nearest pole and the other during its apparent towards the farthest pole.

For example, twice during the year, the Sun must be overhead above Madras, once during its apparent movement towards North Pole (Utharayanam) and the other during its apparent movement towards South Pole (Dhakshinayanam).

Assuming that during Agni Nakshathiram, the Sun is overhead above Madras during its apparent movement towards North Pole (Utharayanam), on its apparent movement towards South Pole (Dhakshinayanam), when it is overhead above Madras, it is not as hot as during Agni Nakshathiram. Sometimes during August-September we experience hot weather in Madras, referred to as Second Summer, but the mercury does not touch the point it touches during Agni Nakshathiram. This is what is puzzling.

 

[thebigthinkg]

Sir,

Recapitulating what I studied in my Geography subject in High School:

The Earth revolves around the Sun

The Earth's orbit of revolution around the Sun is Elliptical and not circular

The Earth, besides revolving around the Sun, also rotates around an axis, the axis being from North Pole to South Pole

The axis of rotation of the Earth is inclined to the plane of revolution around the Sun at an angle of 23 Degrees which accounts for different seasons.

Owing to the inclination of the axis of rotation of the Earth at an angle to the plane of revolution of the Earth around the Sun, the Sun apparently moves to and fro the poles during the year. The apparent movement of the Sun towards North Pole is called Utharayanam and the apparent movement of the Sun towards South Pole is called Dhakshinayanam.

Twice during a year, the Sun is overhead above the Equator and this phenomenon is called EQUINOX.

On 2 occasions, owing to inclination of Earth's axis of rotation at an angle to the plane its revolution, either of the poles, is farthest and nearest to the sun during the revolution. This phenomenon is called Solstice. Precisely, on one Solstice the North Pole is nearest to the sun while simultaneously the South Pole is farthest from the sun and vice versa. When North Pole is nearest to the Sun, it is called Summer solstice in the Norther Hemisphere and weather is warmer in Norther Hemisphere and it is called Winter Solstice in the Southern Hemisphere where weather is cooler. It is Vice Versa when South Pole is nearest to the Sun; it is Summer Solstice in Southern Hemisphere and Winter Solstice in Northern Hemisphere.

The Equinoxes are around 23rd March and 23rd September respectively.

In Northern Hemisphere the Summer Solstice is around 21st June, when the Sun is at its Northernmost point and Winter Solstice is around 22nd December when the Sun is at its Southernmost point.

When it is Summer Solstice in Northern Hemisphere, simultaneously it is Winter Solstice in Southern Hemisphere and vice versa.

During its revolution around the Sun, excepting the points in Norther Hemisphere and Southern Hemisphere where the apparent movement of the Sun reaches its farthest point, the other parts of the Earth must experience the Sun overhead above them twice during the year; once during its apparent movement towards the nearest pole and the other during its apparent towards the farthest pole.

For example, twice during the year, the Sun must be overhead above Madras, once during its apparent movement towards North Pole (Utharayanam) and the other during its apparent movement towards South Pole (Dhakshinayanam).

Assuming that during Agni Nakshathiram, the Sun is overhead above Madras during its apparent movement towards North Pole (Utharayanam), on its apparent movement towards South Pole (Dhakshinayanam), when it is overhead above Madras, it is not as hot as during Agni Nakshathiram. Sometimes during August-September we experience hot weather in Madras, referred to as Second Summer, but the mercury does not touch the point it touches during Agni Nakshathiram. This is what is puzzling.

As I wrote, the temperature is modified by pollution and local climatic conditions. In general, between june to sep we have monsoon season locally which offsets the rise in temperature. In comparison, between feb to june it is a rather dry spell leading to the agni nakshatram phenomena when sun is near bharani, kritika constellations

-TBT