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b.mthakkar@...: ERROR CORRECTION:EQUINOX day measurement methods of
Angle of sun and LONG LATI @RAMKUNDDate: Fri, 21 Mar 2008 11:43:09 +0000


Dear Science, Maths, History and astronomy Friends,
ERROOR CORRECTION: EQUINOX day and the measurement methods of Angle of sun and
LONG LATI @RAMKUND


From: kutchsciencefoundation@... To: Subject: Correction: EQUINOX day
and good luck for astronomy meet. and the measurement methods of Angle of sun
and LONGITUDE LATITUDE @RAMKUND of BHUJ.
Wish you all a very happy March EQUINOX day and good luck for astronomy
meetNORTH steps SOUTH STEPS




UTC date and time of solstices and equinoxes[1]

year
EquinoxMar
SolsticeJune
EquinoxSept
SolsticeDec

day
time
day
time
day
time
day
time

2002
20
19:16
21
13:24
23
04:55
22
01:14

2003
21
01:00
21
19:10
23
10:47
22
07:04

2004
20
06:49
21
00:57
22
16:30
21
12:42

2005
20
12:33
21
06:46
22
22:23
21
18:35

2006
20
18:26
21
12:26
23
04:03
22
00:22

2007
21
00:07
21
18:06
23
09:51
22
06:08

2008
20
05:48
20
23:59
22
15:44
21
12:04

2009
20
11:44
21
05:45
22
21:18
21
17:47

2010
20
17:32
21
11:28
23
03:09
21
23:38

2011
20
23:21
21
17:16
23
09:04
22
05:30

2012
20
05:14
20
23:09
22
14:49
21
11:11

2013
20
11:02
21
05:04
22
20:44
21
17:11

2014
20
16:57
21
10:51
23
02:29
21
23:03
Wish the day of the Astronomy meet can be arranged on the Equinox day and all
measurement activity is done in the equinox day during meet time at RAMKUND of
BHUJ. so every one can get benefit of it as well as all experts can give their
expertise support. As Ramkund is perfectly constructed according to the Sun
dial principles. E-W N-S.and all constructions are perfect rectagular and
perpendicular. for measurement one do not need to manage any such directions and
leveling But only Shadow measurenets ONLY for sun dialing. as we do in JANTAR
MANTAR of Delhi or JAIPUR. And that also will give the idea when tropic of
cancer was passing there at RAMKUND (23 14 51 N). and also the Earth's
measurements.
Example of Latitudes longitude finding at the Local time. – for tropical of
cancer @ Local time you need to find the correct time when sun is on with no
shadows East or West.
and need to be there at LOCAL time of 12:00 NOON which may be 12 + MM depending
on the place where you go – Longitudes. for Bhuj 12:52 PM


http://groups.yahoo.com/group/scienceclubindia/files/MeasureEarth.doc

http://f1.grp.yahoofs.com/v1/AMoxQMYX-9fiVHuxQHOo41ARbHhUCCePM4vTyesgNwoaLECS-Pj\
S97i5cgQxpGVZJxToBmG788WFGK948sho/MeasureEarth.doc

Hints: as Calculation of Latitude Longitude of the Place on Earth (eg RAMKUND)
we need to measure the angle of Sun. As on the Equinox day The sun is on the the
Equater, we need to go to the place on befor 12PM IST.
At 12 PM IST see the Northern steps Shadow showing towards the West will be
seen. on the day. wait for the local time 12:00 NOON which will be at 12:52 PM
IST.
Measuring the Angle of the SUN :

Similar Example of Latitudes longitude finding at the Local time. – for tropical
of cancer @ Local time you need to find the correct time when no shadows East or
West.
and need to be there at LOCAL time of 12:00 NOON which may be 12 + MM depending
on the place where you go – Longitudes.


As at 12 PM IST shadow on the RAMKUND will be towords the west of NORTHERN STEPS
of the RAMKUND. See when The shadow becomes perpedicular as line drawn in steps
diagrams, Shadow will be perfectly downwards in the plum line.



Now you find exact time when to there is shadow in exactly perpendicular line.
That say time is 12:52 than time difference is 52 minutes which is 52/4=13
dehrees means BHUJ is at 82.5-13=69.5 East. LONGITUDE MEASUREMENT and not the
LATITUDE MEASUREMENT
At this time you need to measure the lenth of the shadow at south steps as shown
in other diadram. and measuer the angle of the sun . which is equal to the
Latitude of the place as the sun is on Equater. LATITUDE MEASUREMENT and not
the LONGITUDE MEASUREMENT

as ramkund is constructed perfectly E W NS ans in perfect square and
perpendicular as reverse of PYRAMIS in the ground and exactly according to rules
Like pyramids accuracy.

Lenth of Shadow/height will give Tangent of the angle . tanke an anti tangent of
the figure you get by Shadow/height . thats the angle of the tilt of sun. Thats
the Latitude of the place RAMKUND.
As you are @ RAMKUND check how accurate is your experiment with figures of
RAMKUND (23 14 51 N).



World geometric dimension Table: created





Earth’s Equatorial Diameter

Equatorial Circumference 2D

Earth’s Inter Polar Diameter

Inter Polar Circumference 2D


12756 Km (E to W)

40053 KM (E to W)

12714 K m (N to S)

39900 KM (N to S)


(E to W 23:30 N/S)

(Using Tangent 23:30=0.917)






360 degree @ 23.5 Degree

36730km@Tropic of Cancer

360 deg Round the Earth

39900 KM Inter Polar


1 Degree = 60 ‘ Mins /360

=102 km = 64 Miles

1 Degree = 60 ‘ Mins /360

=110 km = 70 Miles


1’ Min = 60 “ Secs /60

=1.7 KM =1.067 Miles

1’ Min = 60 “ Secs /60

=1.84 KM =1.16 Miles




=1700 M = 5632 Feet



=1840 M = 6124 Feet


1”Sec /60

28.3 M =94 Feet

1”Sec /60

30.8 M =102 Feet


= 37 adult steps

= 18 Second’s walk

= 40 adult steps

= 20 Second’s walk




1minute walk =300feets=92M



1minute walk =300feets=92M




1hour = 5.4 Km walk



1hour = 5.4 Km walk

From yours Dr.BHUDIA-Science Group Of INDIA.
http://uk.groups.yahoo.com/group/venustransit_2004/President:'Kutch Science
Foundation'.Founder :'Kutch Amateurs Astronomers Club - Bhuj - Kutch'.Life
Member:'kutch Itihaas Parishad'.kutchscience@...,
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