Sūrya Siddhānta · Chapter 14 of 14
Chapter 14: Different modes of reckoning time
27 verses. Each section gives the verses, what they state, and, where they compute, the functions that compute them (in SuryaSiddhantaBurgess.js, each checked by a test citing the verse).
14.1-2 · data (a constant used)
the nine measures of time, and which are used
1. brāhmaṃ divyaṃ tathā pitryaṃ prājāpatyaṃ guros tathā/
sauraṃ ca sāvanaṃ cāndram ārkṣaṃ mānāni vai nava//
2. caturbhir vyavahāro +atra sauracāndrārkṣasāvanaih/
bārhaspatyena ṣaṣṭyabdaṃ jñeyaṃ nānyais tu nityaśah//
Computed by: CONSTANTS.TIME_MEASURES
14.3-10 · computed
solar time: shadasitimukhas, equinoxes, solstices, Vishnu's feet, the progresses, seasons, months
3. saureṇa dyuniśor mānaṃ ṣaḍaśītimukhāni ca/
ayanaṃ viṣuvaccaiva saṃkrānteh puṇyakālatā//
4. tulādi ṣaḍaśītyahnāṃ ṣaḍaśītimukhaṃ kramāt/
taccatuṣṭayam eva syād dvisvabhāveṣu rāśiṣu//
5. ṣaḍviṃśe dhanuṣo bhāge dvāviṃśe nimiṣasya ca/
mithunāṣṭādaśe bhāge kanyāyās tu caturdaśa//
6. tatah śeṣāṇi kanyāyā yāny ahāni tu ṣoḍaśa/
kratubhis tāni tulyāni pitṝṇāṃ dattam akṣayam//
7. bhacakranābhau viṣuvaddvitayaṃ samasūtragam/
ayanadvitayaṃ caiva catasrah prathitās tu tāh//
8. tadantareṣu saṃkrāntidvitayaṃ dvitayaṃ punah/
nairantaryāt tu saṃkrānter jñeyaṃ viṣṇupadīdvayam//
9. bhānor makarasaṅkrānteh ṣaṇmāsā uttarāyaṇam/
karkyādes tu tathaiva syāt ṣaṇmāsā dakṣiṇāyanam//
10. dvirāśinātha ṛtavas tato +api śiśirādayah/
meṣādayo dvādaśaite māsās tair eva vatsarah//
Computed by: solarTimeCONSTANTS.SHADASITIMUKHA
14.11 · computed
the period on either side of a sankranti
11. arkamānakalāh ṣaṣṭyā guṇitā bhuktibhājitāh/
tadardhanāḍyah saṅkrānter arvāk puṇyaṃ tathā pare//
Computed by: sankrantiPeriodNadis
14.12 · computed
lunar time: twelve degrees a lunar day
12. arkād vinihsṛtah prācīṃ yad yāty aharahah śaśī/
tac cāndramānam aṃśais tu jñeyā dvādaśabhis tithih//
Computed by: pancanga
14.13 · descriptive (nothing to compute)
what lunar time determines
13. tithih karaṇam udvāhah kṣauraṃ sarvakriyās tathā/
vratopavāsayātrāṇāṃ kriyā cāndreṇa gṛhyate//
14.14 · computed
the lunar month a day of the Fathers
14. triṃśatā tithibhir māsaś cāndrah pitryam ahah smṛtam/
niśā ca māsapakṣāntau tayor madhye vibhāgatah//
Computed by: fathersTime
14.15-16 · computed
the sidereal day; the months named from the asterism of the full moon
15. bhacakrabhramaṇaṃ nityaṃ nākṣatraṃ dinam ucyate/
nakṣatranāmnā māsās tu jñeyāh parvāntayogatah//
16. kārtikyādiṣu saṃyoge kṛttikādi dvayaṃ dvayam/
antyopāntyau pañcamaś ca tridhā māsatrayaṃ smṛtam//
Computed by: lunarMonthNamemonthNameForAsterism
14.17 · computed
Jupiter's years named from the asterism of his heliacal setting and rising
17. vaiśākhādiṣu kṛṣṇe ca yogah pañcadaśe tithau/
kārttikādīni varṣāṇi guror astodayāt tathā//
Computed by: jupiterTwelveYearNameheliacal
14.18-19 · computed
civil time: the sum of days, the regents, the mean motions
18. udayād udayaṃ bhānoh sāvanaṃ tat prakīrtitam/
sāvanāni syur *etena yajñakālavidhis tu taih//(ḍ etana)
19. sūtakādiparicchedo dinamāsābdapās tathā/
madhyamā grahabhuktis tu sāvanenaiva gṛhyate//
Computed by: aharganaFromLunisolarlordsOfTimemeanPlaces
14.20-21 · computed
time of the gods; of Prajapati (a Patriarchate) and of Brahma (an Eon)
20. surāsurāṇām anyonyam ahorātraṃ viparyayāt/
yatproktaṃ tad bhaved divyaṃ bhānor bhagaṇapūraṇāt//
21. manvantaravyavasthā ca prājāpatyam udāhṛtam/
na tatra dyuniśor bhedo brāhmaṃ kalpah prakīrtitam//
Computed by: sunAtMeruCONSTANTS.YEARS
14.22-27 · descriptive (nothing to compute)
the close: the Sun's part returns; Maya teaches the sages
22. etat te paramākhyātaṃ rahasyaṃ paramādbhutam/
brahmaitat paramaṃ puṇyaṃ sarvapāpapraṇāśanam//
23. divyaṃ cārkṣaṃ grahāṇāṃ ca darśitaṃ jñānam uttamam/
vijñāyārkādilokeṣu sthānaṃ prāpnoti śāsvatam//
24. ity uktvā mayam āmantrya samyak tenābhipūjitah/
divam ācakrame +arkāṃśah praviveśa svamaṇḍalam//
25. mayo +atha divyaṃ tajñānaṃ jñātvā sākṣād vivasvatah/
kṛtakṛtyam ivātmānaṃ mene nirdhūtakalmaṣam//
26. jñātvā tam ṛṣayaś cātha sūryalabdhavaraṃ mayam/
paribabrur upetyātho jñānaṃ papracchur ādarāt//
27. sa tebhyah pradadau prīto grahāṇāṃ caritaṃ mahat/
atyadbhutatamaṃ loke rahasyaṃ brahmasammitam//
Sanskrit: Michio Yano's e-text, GRETIL, SUB Göttingen (version 2020-07-31) (source); editions: B: Hall, Bibliotheca Indica 79, Calcutta 1854; C: Kāśī Saṃskṛta Granthamālā 144, 4th ed. 1987; D: with Sudhākara Dvivedī's commentary, 1987. Variants in ( ) after a word marked *. Licence: Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0); shared here unaltered except for layout and one correction: The e-text labels the second half of II.34 "3.34b"; it is placed under II.34 here.Chapter titles, verse numbers and the ledger follow E. Burgess, Translation of the Sûrya-Siddhânta (JAOS 6, 1860).