When Moon's elongation is 
In between 144 and 156 
Pradosha Vrat is observed 
From Sayahna Sandhya start time. 

Dawn and dusk are ideal 
For Meditation and Prayer 
Sayahna Sandhya's duration is 48 minutes 
From the setting of the Sun! 

A Day has been divided by 5 
To generate 5 Sandhyas 
Pratha Sandhya is the first 
And Sayahna - the last ! 

Time to be renounced 
For all electional hours. 
For Pradosh - Sunset+ 48 mins 
For others- Sunrise + 78 mins. 

This is the Table of Lunations 

Lunation = Difference between Longitudes - Solar & Lunar 

Elongation is the angular distance 
From the glorious Sun ! 
Zero is Conjunction 
And 180 degrees - Opposition! 

Q - How do we know which is today's Lunation ? 

A - From Moon's Longitude find out the Lunation from this Table. 

Elongation is defined  as the angular distance  from the Sun


Prathama      between 0  and 12 
Dwithyeeya  between 12 and 24  
Thritheeya   between 24 and 36  
Chathurthi   between 36 and 48  
Panchami     between 48 and 60  
Shashti         between 60 and 72  
Sapthami     between 72 and 84  
Ashtami       between 84  and 96  
Navami         between 96  and 108  
Dasami        between 108 and 120  
Ekadasi         between 120  and 132  
Dwadasi        between 132  and 144  
Thrayodasi   between 144  and 156  
Chathurdasi between 156  and 168  
Pournami    between 168  and 180  

This Table of Stars is useful for finding out the Solar Transits and the Star of the day - Njattuvelas and Nakshatras. 

From Moon's longitude - find out the Star or Nakshatra from this Table. From Sun's longitude - find out the Njattvela / Solar Transit from this Table. 


Name of Constellation                   Deg Min Deg Min 

1. Beta Arietis ( Aswini )                 00 00 13 20 
2. 41 Arietis ( Bharani )                   13 20 26 40 
3. Eta Tauri ( Karthika )                 26 40 40 00 
4. Alpha Tauri ( Rohini )                40 00 53 20 
5. Lambda Orionis ( Mrigasira )    53 20 66 40 
6. Alpha Orionis ( Aridra )              66 40 80 00 
7. Beta Geminorum ( Punarvasu ) 80 00 93 20 
8. Delta Cancri ( Pushya )              93 20 106 40 
9 Alpha Cancri ( Aslesha )              106 40 120 00 
10.Alpha Leonis ( Magha )             120 00 133 20 
11.Delta Leonis ( Pubba )              133 20 146 40 
12.Beta Leonis ( Uttara )                146 40 160.00 
13.Delta Corvi ( Hasta )                 160 00 173 20 
14.Alpha Virginis ( Chitra )            173 20 186 40 
15.Alpha Bootis ( Chothi )             186 40 200 00 
16.Beta Librae ( Vishakam)           200 00 213 20
17.Delta Scorpi ( Anuradha)          213 20 226 40 
18.Alpha Scorpi ( Jyeshta )             226 40 240 00 
19.Lamda Scorpi ( Moola )             240 00 253 20 
20.Delta Sagittari ( Poorvashad )    253 20 266 40 
21.Delta Sagittari ( Uthrashada )    266 40 280 00 
22.Alpha Aquilae ( Sravana )         280 00 293 20 
23.Alpha Delphini ( Dhanishta )   293 20 306 40 
24.Lambda Aquari ( Satabhisha)   306 40 320 00 
25.Alpha Pegasi ( Poorvabhadra)  320 00 333 20 
26.Alpha Andromeda ( Uttrarabhadra)333 20 346 40 
27.Zeta Piscium ( Revathi )           346 40 360 00