Tithyadipatra 13.45

13.45

śrīsūryeti || prajñā yataḥ prāpyeti || śrīmacchivā diti
pṛṣṭhasthitāsaneti || spaṣṭārthāni padāni || atha paṃcāṃgasādhanam || tatra
abhīṣṭavarṣāditithivārādisādhanamāha || dṛṣṭaśakamadhye pustakīyaśakaḥ śodhyaḥ
sa yathā || pustakīyaśakapaṃktau dṛṣṭaśakāsanno yo nyūnaḥ śako bhavati sa śodhyaḥ yāvadagrimapustakīyaśakatulyo bhavati || tadanaṃtaraṃ dvayostulyayormadhye pustakīyaśakāpekṣam
ekādhiko bhūtvā dṛṣṭaśakaḥ agre gacchati tadā sana śodhyaḥ || yastulyojātaḥ sa śodhyaḥ
tadyathā-dṛṣṭaśakaḥ 1561 etanmadhye ayaṃ 1544 pustakīyaśakastāvacchodhyaḥ || yāvadagrimapustakīyaśakaḥ 1560 tulyo bhavati || tadanaṃtaram dṛṣṭaśaka 1561
madhye'ya 1560 pustakīyaśakaḥ śodhyaḥ yāvadagrimapustakīyaśakaḥ ,1776
tulyo bhavati || evamagre'pi || nanu pustakīye 1560 dṛṣṭaśakayostulyatāyāmiṣṭaśakamadhye 1560 pustakīyaśakaḥ 1560 śuddhayatyeva || itya sati
pūrvaśaka 1544 śodhya iti kimarthamuktamiti ceducyate tatra kāraṇam
pustakīyaśakapaṃktau ekamekārabhya ṣoḍaśaśeṣāṇi sati || iti kāraṇāt śakadvayatulyatāyāmaayameva śodhya ityuktam || eva kṛte ṣoḍaśa śeṣāṇi sati|| ata eva pustakīyaśakapaṃktau parasparaṣoḍaśāṃtara tiṣṭhati yadi tulyayoḥ pustakīyeṣṭaśakayoraṃtara kriyate
tadā kāpi kṣatirnāsti || paraṃtu etāvān viśeṣaḥ || yadā pustakīyaśakādadhaḥstha
tithivārādika sthāpyaṃ tadadhaḥsthā vallī sthāpyā dvayostulyaśaṃkayorantare śeṣaṃ
śūnyamavaśiṣyate tarhi śeṣapaṃktau śūnyakoṣṭhako nāsti iti kāraṇāt śakādadhaḥstha
meva varṣādau tithyādika bhavati | ida pūrvaprakāreṇa saha tulyam || tadyathāt-dṛṣṭaśakaḥ 1560 etanmadhye pustakīye śake 1544 śodhite śeṣaṃ 16 pustakīyaśakādadha sthaṃ tithyādika 27|5|26