Annular Eclipse of the Sun- 21 June, 2020, Sunday- 31 Jyaishtha, 1942 Saka Era- (Annular Phase is visible in India)

By India Education Diary Bureau Admin On Jun 16, 2020

New Delhi: An annular solar eclipse will occur on 21 June, 2020 (31 Jyaishtha, 1942 Saka Era). From India annular phase will be visible in the morning from some places within a narrow corridor of northern part of the country (parts of Rajasthan, Haryana and Uttarakhand) and it will be seen as partial solar eclipse from the rest part of the country. Few prominent places within this narrow annularity path are Dehradun, Kurukshetra, Chamoli, Joshimath, Sirsa, Suratgarh etc. In India, the obscuration of the Sun by the Moon at the time of greatest phase of the annular eclipse will be nearly 98.6%. Obscuration of the Sun by the Moon at the time of greatest phase of partial eclipse will be around 94 percent in Delhi, 80 percent in Guwahati, 78 percent in Patna, 75 percent in Silchar, 66 percent in Kolkata, 62 percent in Mumbai, 37 percent in Bangalore, 34 percent in Chennai, 28 percent in Port Blair etc.

Considering the Earth as a whole the partial phase of the eclipse will begin at 9 h 16 m IST. The annular phase will begin at 10 h 19 m IST. The annular phase will end at 14 h 02 m IST. The partial phase will end at 15h 04 m IST.

The annular path passes through Congo, Sudan, Ethiopia, Yemen, Saudi Arabia, Oman, Pakistan, northern parts of India and China. The Moon’s penumbral shadow produces a partial eclipse, visible in the region covering Africa (except W. and S. parts) S. E. Europe, Asia (except N. and E. Russia) and northern parts of Australia.

A solar eclipse occurs on a new moon day when the Moon comes in between the Earth and the Sun and when all the three objects are aligned. An annular solar eclipse will occur when the angular diameter of the Moon falls short of that of the Sun so that it cannot cover up the latter completely. As a result a ring of the Sun’s disk remains visible around the Moon.

Eclipsed Sun should not be viewed with the naked eye, even for a very short time. It will cause permanent damage of the eyes leading to blindness even when the moon covers most portion of the Sun. Safe technique to observe the solar eclipse is either by using proper filter like aluminized Mylar, black polymer, welding glass of shade number 14 or by making projection of Sun’s image on a white board by telescope.

A table relating to local circumstances of some places in India is appended separately for ready reference.

THE ANNULAR ECLIPSE OF THE SUN, 21 JUNE, 2020

PHASES OF ECLIPSE VISIBLE FROM CERTAIN PLACES OF INDIA

Places	Partial Eclipse Begins (IST)	Annular phase Begins (IST)	Greatest Eclipse (IST)	Magni- tude	Max-imum. Obscu-ration	Annular phase Ends (IST)	Partial Eclipse Ends (IST)	Dura-tion of Eclipse
	h m	h m	h m			h m	h m	h m
Agartala	10 56.0	– –	12 45.1	0.771	71.1%	– –	14 23.6	3 28
Ahmedabad	10 04.0	– –	11 42.2	0.823	77.4%	– –	13 32.2	3 28
Aizawl	11 00.9	– –	12 49.8	0.770	70.9%	– –	14 26.7	3 26
Allahabad	10 27.6	– –	12 13.6	0.831	78.4%	– –	14 00.6	3 33
Amritsar	10 20.0	– –	11 57.7	0.935	91.5%	– –	13 41.6	3 22
Bangalore	10 13.2	– –	11 47.6	0.473	36.5%	– –	13 31.5	3 18
Bhagalpur	10 42.4	– –	12 30.9	0.811	76.0%	– –	14 13.8	3 31
Bhopal	10 14.7	– –	11 57.4	0.789	73.2%	– –	13 47.0	3 32
Bhubaneswar	10 38.3	– –	12 26.1	0.655	57.0%	– –	14 09.7	3 31
*Chamoli	10 27.1	12 08.7	12 09.1	0.997	98.6%	12 09.4	13 53.7	3 27
Chandigarh	10 24.4	– –	12 04.5	0.965	95.4%	– –	13 48.7	3 24
Chennai	10 22.0	– –	11 58.5	0.453	34.4%	– –	13 40.8	3 19
Cochin	10 11.0	– –	11 38.9	0.396	28.4%	– –	13 17.7	3 07
Cooch Behar	10 50.5	– –	12 39.0	0.846	80.3%	– –	14 19.2	3 29
Darjeeling	10 47.2	– –	12 35.2	0.868	83.1%	– –	14 16.3	3 29
*Dehradun	10 24.2	12 05.0	12 05.3	0.996	98.6%	12 05.6	13 50.4	3 26
Delhi	10 20.1	– –	12 01.6	0.952	93.7%	– –	13 48.4	3 28
Dibrugarh	11 07.9	– –	12 54.7	0.896	86.5%	– –	14 29.1	3 21
Dwarka	9 56.6	– –	11 31.1	0.840	79.5%	– –	13 20.1	3 24
Gandhinagar	10 04.3	– –	11 42.6	0.827	77.9%	– –	13 32.6	3 28
Gangtok	10 48.3	– –	12 36.2	0.877	84.2%	– –	14 17.0	3 28
Gaya	10 36.2	– –	12 24.2	0.799	74.4%	– –	14 08.9	3 33
Guwahati	10 57.0	– –	12 45.5	0.842	79.8%	– –	14 23.6	3 27
Haridwar	10 24.9	– –	12 06.0	0.990	98.6%	– –	13 50.8	3 26
Hazaribagh	10 37.2	– –	12 25.4	0.774	71.4%	– –	14 09.9	3 33
Hyderabad	10 15.0	– –	11 55.8	0.602	50.8%	– –	13 43.9	3 29
Imphal	11 04.6	– –	12 53.0	0.804	75.0%	– –	14 28.7	3 24
Itanagar	11 03.5	– –	12 51.1	0.879	84.4%	– –	14 26.9	3 23
Jaipur	10 14.8	– –	11 55.8	0.908	88.1%	– –	13 44.2	3 29
Jalandhar	10 22.7	– –	12 01.0	0.931	91.0%	– –	13 44.5	3 22
Jammu	10 21.7	– –	11 58.5	0.904	87.5%	– –	13 41.2	3 20
*Joshimath	10 27.8	12 09.5	12 09.8	0.997	98.6%	12 10.2	13 54.3	3 27
Kannur	10 06.7	– –	11 37.5	0.461	35.2%	– –	13 20.4	3 14
Kanyakumari	10 17.7	– –	11 41.9	0.329	21.9%	– –	13 15.3	2 58
Kavalur	10 19.2	– –	11 55.1	0.458	34.9%	– –	13 37.9	3 19
Kavaratti	10 00.3	– –	11 28.0	0.460	35.1%	– –	13 09.7	3 09

‘ – – ‘ indicates annular phase of eclipse is not visible corresponding to the places where only partial eclipse occurs

‘*’ Places where annular phase of eclipse occurs

THE ANNULAR ECLIPSE OF THE SUN, 21 JUNE, 2020

PHASES OF ECLIPSE VISIBLE FROM CERTAIN PLACES OF INDIA

Places	Partial Eclipse Begins (IST)	Annular phase Begins (IST)	Greatest Eclipse (IST)	Magni- tude	Max-imum. Obscu-ration	Annular phase Ends (IST)	Partial Eclipse Ends (IST)	Dura-tion of Eclipse
	h m	h m	h m			h m	h m	h m
Kohima	11 05.3	– –	12 53.3	0.835	78.9%	– –	14 28.8	3 23
Kolkata	10 46.4	– –	12 35.5	0.725	65.5%	– –	14 17.0	3 31
Kozikode	10 08.4	– –	11 38.5	0.439	32.9%	– –	13 20.2	3 12
*Kurukshetra	10 21.3	12 01.4	12 01.8	0.997	98.6%	12 02.1	13 47.4	3 26
Lucknow	10 26.8	– –	12 11.8	0.879	84.4%	– –	13 58.5	3 32
Madurai	10 17.6	– –	11 46.5	0.377	26.6%	– –	13 24.3	3 07
Mangalore	10 04.9	– –	11 37.1	0.498	39.1%	– –	13 21.8	3 17
Mount Abu	10 05.9	– –	11 44.3	0.868	83.0%	– –	13 33.8	3 28
Mumbai	10 00.9	– –	11 37.5	0.697	62.1%	– –	13 27.5	3 27
Mysore	10 10.7	– –	11 43.4	0.461	35.2%	– –	13 26.5	3 16
Nagpur	10 17.9	– –	12 01.6	0.711	63.7%	– –	13 50.7	3 33
Nasik	10 03.8	– –	11 42.0	0.720	64.8%	– –	13 32.3	3 29
Panaji	10 03.3	– –	11 38.8	0.589	49.3%	– –	13 26.9	3 24
Patna	10 37.1	– –	12 24.9	0.825	77.7%	– –	14 09.3	3 32
Pondicherry	10 21.7	– –	11 56.0	0.423	31.2%	– –	13 36.7	3 15
Port Blair	11 15.6	– –	12 53.4	0.393	28.1%	– –	14 18.8	3 03
Pune	10 03.0	– –	11 40.5	0.675	59.5%	– –	13 30.3	3 27
Puri	10 38.3	– –	12 26.0	0.641	55.4%	– –	14 09.3	3 31
Raipur	10 25.1	– –	12 10.9	0.699	62.3%	– –	13 58.4	3 33
Rajkot	9 59.6	– –	11 35.8	0.819	77.0%	– –	13 25.5	3 26
Ranchi	10 36.8	– –	12 25.0	0.753	68.8%	– –	14 09.6	3 33
Sambalpur	10 32.2	– –	12 19.6	0.697	62.1%	– –	14 05.3	3 33
Shillong	10 58.0	– –	12 46.6	0.826	77.8%	– –	14 24.5	3 27
Shimla	10 23.5	– –	12 03.4	0.967	95.6%	– –	13 47.9	3 24
Silchar	11 01.0	– –	12 49.7	0.803	74.9%	– –	14 26.6	3 26
Siliguri	10 47.3	– –	12 35.5	0.856	81.6%	– –	14 16.7	3 29
*Sirsa	10 16.9	11 55.9	11 56.1	0.996	98.6%	11 56.6	13 42.3	3 25
Srinagar	10 24.2	– –	11 59.7	0.861	82.2%	– –	13 40.6	3 16
*Suratgarh	10 14.5	11 52.5	11 52.9	0.998	98.6%	11 53.3	13 39.2	3 25
Thiruvanantapuram	10 15.1	– –	11 40.0	0.346	23.5%	– –	13 14.9	3 00
Udaipur	10 07.8	– –	11 47.2	0.858	81.8%	– –	13 36.8	3 29
Ujjain	10 10.9	– –	11 52.1	0.798	74.3%	– –	13 42.2	3 31
Vadodara	10 04.6	– –	11 43.2	0.795	73.9%	– –	13 33.5	3 29
Varanasi	10 31.0	– –	12 17.8	0.821	77.2%	– –	14 04.0	3 33

‘ – – ‘ indicates annular phase of eclipse is not visible corresponding to the places where only partial eclipse occurs

‘*’ Places where annular phase of eclipse occurs

ANNULAR SOLAR ECLIPSE, 21 JUNE, 2020

LOCAL CIRCUMSTANCES RELATING TO SOME OF THE PLACES FROM WHERE ANNULAR PHASE IS VISIBLE

Places	Annular phase Begins (IST)	Greatest Eclipse (IST)	Max-imum. Obscu-ration	Annular phase Ends (IST)	Duration of Annularity
	h m	h m		h m	m s
Chamoli	12 08.7	12 09.1	98.6%	12 09.4	0 38
Dehradun	12 05.0	12 05.3	98.6%	12 05.6	0 31
Joshimath	12 09.5	12 09.8	98.6%	12 10.2	0 39
Kurukshetra	12 01.4	12 01.8	98.6%	12 02.1	0 39
Sirsa	11 55.9	11 56.1	98.6%	11 56.4	0 36
Suratgarh	11 52.5	11 52.9	98.6%	11 53.3	0 45