{"id":"vidhyamitra:day:1688-08-31:en","page_class":"VM-1-day","url":"https://vidhyamitra.com/day/1688-08-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1688-08-31","date_display":"August 31, 1688 CE","panchanga":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1688,"month":8,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2337832.770833,"kali_year":4790,"ahargana":1749367.2708,"sun":{"sidereal_longitude":138.9347,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":199.2631,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":60.3284,"elapsed_within_tithi_degrees":0.3284},"nakshatra":{"number":15,"name":"Svātī","pada":4,"moon_longitude":199.2631,"elapsed_within_degrees":12.5964},"yoga":{"number":26,"name":"Indra","sum_longitude":338.1978},"karana":{"half_tithi_index":10,"name":"Kaulava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"sky":{"method":"Sūrya-Siddhāntic Bhāskara-II 4-step iteration with atan2-based śīghra + varying peripheries + lunar latitude","engine_version":"3.0 (Pūrṇa — complete SS implementation)","tradition_sources":"Āryabhaṭīya 499 CE → SS Ch.1-5 Burgess 1860 → Siddhānta-Śiromaṇi Bhāskara II 1150 → Tantrasaṅgraha Nīlakaṇṭha 1501","input":{"year":1688,"month":8,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2337832.770833,"ahargana":1749367.2708,"kali_year":4790,"ayanamsa_lahiri":19.5039,"grahas":{"sun":{"sidereal_longitude":138.885354,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":195.49945400000001,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false,"latitude":-0.7156},"mars":{"sidereal_longitude":144.26145399999996,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":134.196054,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":272.830554,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":142.17195400000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":186.68225400000006,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":10.1034,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":190.1034,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false}},"panchang":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1688,"month":8,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2337832.770833,"kali_year":4790,"ahargana":1749367.2708,"sun":{"sidereal_longitude":138.9347,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":199.2631,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":60.3284,"elapsed_within_tithi_degrees":0.3284},"nakshatra":{"number":15,"name":"Svātī","pada":4,"moon_longitude":199.2631,"elapsed_within_degrees":12.5964},"yoga":{"number":26,"name":"Indra","sum_longitude":338.1978},"karana":{"half_tithi_index":10,"name":"Kaulava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.716,"elongation":60.328},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.716,"opposition_distance":119.672}},"eclipse_window_40days":[]},"calendars":{"vikram_samvat":1745,"vikram_samvatsara":"Vṛṣa","saka_samvat":1610,"saka_samvatsara":"Vibhava","bengali_samvat":1095,"malayalam_era":864,"nanakshahi_year":219,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Ṣaṣṭhī · Vikram 1745 Vṛṣa · Śaka 1610 Vibhava"},"festivals":[{"id":"subrahmanya-shashthi","name":"Subrahmaṇya Ṣaṣṭhī","name_sanskrit":"सुब्रह्मण्य षष्ठी","tradition":"Shaiva","associated_deity":"Kārttikeya","significance":"Worship of Kārttikeya as Subrahmaṇya.","vrata":true,"detection":{"tithi_number":6,"tithi_paksha":"Śukla","lunar_month":"Bhādrapada"},"precedence":4}],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"valid_from":"1688-08-31T00:00:00Z"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate; Vidhyamitra substrate"},"seo":{"title":"Pañchāṅga August 31, 1688 CE · Vidhyamitra","description":"Vedic pañchāṅga for August 31, 1688 CE: Śukla Ṣaṣṭhī · Svātī.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/day/1688-08-31","hreflang_alternates":{"en":"https://vidhyamitra.com/day/1688-08-31","sa":"https://sa.vidhyamitra.com/day/1688-08-31","hi":"https://hi.vidhyamitra.com/day/1688-08-31","x-default":"https://vidhyamitra.com/day/1688-08-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T22:56:02.726Z","verification":{"type":"multi-marker","confidence":"canonical"}}],"meta":{"generated_at":"2026-06-02T22:56:02.726Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa"}}}