गुप्त अभिलेख संग्रह (जे. एफ. फ्लीट - गुप्त सम्राटों एवं परवर्ती नरेशों के ऐतिहासिक पाषाण व ताम्रलेख)

168 CORPUS INSCRIPTIONUM INDICARUM, VOL. III.
four years, from Śaka-Saṁvat 1780 to 1803 (expired);¹ with Jupiter's apparent longi-
tudes at the time, and his nakshatras determined from those longitudes. The dates
of the risings of Jupiter are taken from ordinary Pañchâṅgs in my possession, printed in
different Presses at various places. The lunar months in which the risings took place, are
all given by the Amânta southern reckoning.² The longitude of Jupiter at each rising, is
calculated from his longitude, given in the Pañchâṅgs, at some stated interval; for
instance, of seven or fifteen days. In naming the nakshatras, the Brahma-Siddhânta
system of unequal spaces, in the last column of Table IX. on page 165 above, is the one
that has been resorted to. In the last column, the months, that is, the names of the
saṁvatsaras which then began, are given. It will be seen, that Mârgaśîrsha is omitted in
each of these two cycles. Other saṁvatsaras also may be omitted, in the same way, ac-
cording to the circumstances of the particular cycle
From this Table X. it will be seen that, from one rising of Jupiter to another, the motion
of the planet amounts to from 30 to 36 degrees. By the systems of unequal spaces, some
months, and the saṁvatsaras which are named from them, have the average space of one
and a half nakshatras; that is, about 20 degrees only; they are Mârgaśîrsha, Mâgha,
Chaitra, and Jyeshṭha; and these are the saṁvatsaras that are most apt to be
omitted. For example, in Śaka-Saṁvat 1780 expired, when Jupiter rose, he was in
Rôhiṇî. The following rising took place in Punarvasu; that is, from the first rising, he
passed entirely through Mṛiga and Ârdrâ, before the next rising occurred. And, therefore,
Mârgaśîrsha was omitted. Again, by these two systems, Śrâvaṇa contains the average
space of two nakshatras; that is, about 26 degrees, 40 minutes; and, therefore, it also is
liable to be omitted. Kârttika, Pausha, Vaiśâkha, Âshâḍha, and Âśvina, contain the
average space of two and a half nakshatras each; that is, about 33 degrees; and will
but rarely be omitted. And Phâlguna and Bhâdrapada, containing not less than 40
degrees each, will never be omitted. So also, by the system of equal spaces, the nine
months that contain two nakshatras each (excluding Abhijit), are sometimes likely to be
omitted. But the remaining three, viz. Phâlguna, Bhâdrapada, and Âśvina, containing
three nakshatras each, will never be omitted.
On the other hand, sometimes it is possible that a saṁvatsara may be repeated.
By either system of unequal spaces, this may happen in respect of Kârttika, Pausha,
Phâlguna, Vaiśâkha, Âshâḍha, Bhâdrapada, and Âśvina; but, by the system of equal
spaces, only in respect of Phâlguna, Bhâdrapada, and Âśvina. And, whenever a
saṁvatsara is repeated, then two saṁvatsaras will be omitted in the same cycle; one, under
ordinary circumstances; and one, on account of the repetition.

¹ Out of these years, in Śaka-Saṁvat 1789 expired, and again in 1802 expired, no heliacal rising
took place.
² See page 148 above, note 1.