By devavarṣa, they are probably referring to the Divine Year. The standard description in the Sūrya Siddhānta and the Purāṇas  is that an year for human beings is one ahorātra (day+night) for the gods.  Three hundred ahoratras of gods make one devavatsara, divyavatsara or devavarṣa.

On the other hand, the Jupiter Year, according to the data given in the Sūrya Siddhānta, is 361days, 0h 38mins.

Regards,
Suresh.

On Wed, Mar 6, 2013 at 5:40 PM, Patrick Olivelle <jpo@uts.cc.utexas.edu> wrote:
The Smṛticandrikā at one place explains the need to put down the "varṣa" in a document as "devavarṣamityādi". I do not know what "devavarṣa" could be. It is not one of the 60 names of the Jupiter Cycle. Any help will be deeply appreciated. Thanks.

Patrick
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