Vol. II, No. 9.] A Tibetan Almanac for 1906-07. 463 
[N.S.] 
SummMER AND WINTER SOLSTICES. 
= beret ~ ~~ 
Po Md ble Med —- 
Gcab i allah ral 
In the Tibetan Almanac under examination, the Summer 
Solstice is noted on the Ist July, 1906. As a matter of fact, 
according to the European Astronomy, the Summer Solstice falls 
this year on the 2lst June. The works of some of the Indian 
Astrologers such as the Siddhanta Siromani of Bhaskaracaryya 
(1150 a..), Aryya Siddhanta of Aryya Bhata (5th century 
A.D.), Graha-Laghava of Ganega Daivajiia (1520 a.p.), ete., 
perfectly agree with the European astronomical works as to the 
ate of the Summer Solstice falling on the 21st June. 
According to the Siryya Siddhanta (about 250 a.D.), 
Raghavananda (1 A.D.), ete., however, the Summer Solstice 
falls on the 23rd June. The astrological works belonging to the 
