{"id":"vidhyamitra:day:2087-12-09:en","page_class":"VM-1-day","url":"https://vidhyamitra.com/day/2087-12-09","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2087-12-09","date_display":"December 9, 2087 CE","panchanga":{"method":"Sūrya Siddhānta (Burgess 1860 text, no bīja): Sun and Moon by the equation of the apsis with the 24-sine table","engine_version":"3.0 (text of the Sūrya Siddhānta)","accuracy_note":"Siddhāntic places, not the observed sky. Against the observed sky 1900-2030 the Moon averages -0.06 deg (max 3.6 deg), the Sun -0.21 deg (max 0.6 deg).","tradition_chain":"Sūrya Siddhānta, tr. E. Burgess (JAOS 6, 1860): I.29-47, II.15-45","input":{"year":2087,"month":12,"day":9,"hour":6,"minute":38.332,"second":0,"calendar":"gregorian"},"julian_day":2483663.776619,"kali_year":5189,"ahargana":1895198.2766,"sun":{"sidereal_longitude":231.5264,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":39.6297,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":168.1034,"elapsed_within_tithi_degrees":0.1034},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4,"moon_longitude":39.6297,"elapsed_within_degrees":12.9631},"yoga":{"number":21,"name":"Siddha","sum_longitude":271.1561},"karana":{"half_tithi_index":28,"name":"Viṣṭi"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"sky":{"method":"Sūrya Siddhānta four-step process (II.43-44), tabular sines, even/odd epicycles, no bīja; verified against Burgess 1860 worked example","engine_version":"4.0 (Pūrṇa — Burgess text, 2026-09-26)","tradition_sources":"Sūrya Siddhānta Ch. I-III, tr. E. Burgess (JAOS 6, 1860)","input":{"year":2087,"month":12,"day":9,"hour":6,"minute":38.332,"calendar":"gregorian"},"julian_day":2483663.776619,"ahargana":1895198.2766,"kali_year":5189,"ayanamsa":23.8297,"grahas":{"sun":{"sidereal_longitude":231.5264,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":39.6297,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false,"latitude":-1.2659},"mars":{"sidereal_longitude":230.6095,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":242.2738,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":174.0464,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":196.6804,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":3.7106,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":203.275,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":23.275,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false}},"panchang":{"method":"Sūrya Siddhānta (Burgess 1860 text, no bīja): Sun and Moon by the equation of the apsis with the 24-sine table","engine_version":"3.0 (text of the Sūrya Siddhānta)","accuracy_note":"Siddhāntic places, not the observed sky. Against the observed sky 1900-2030 the Moon averages -0.06 deg (max 3.6 deg), the Sun -0.21 deg (max 0.6 deg).","tradition_chain":"Sūrya Siddhānta, tr. E. Burgess (JAOS 6, 1860): I.29-47, II.15-45","input":{"year":2087,"month":12,"day":9,"hour":6,"minute":38.332,"second":0,"calendar":"gregorian"},"julian_day":2483663.776619,"kali_year":5189,"ahargana":1895198.2766,"sun":{"sidereal_longitude":231.5264,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":39.6297,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":168.1034,"elapsed_within_tithi_degrees":0.1034},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4,"moon_longitude":39.6297,"elapsed_within_degrees":12.9631},"yoga":{"number":21,"name":"Siddha","sum_longitude":271.1561},"karana":{"half_tithi_index":28,"name":"Viṣṭi"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.266,"elongation":168.103},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.266,"opposition_distance":11.897}},"eclipse_window_40days":[{"offset_days":-14,"type":"solar","occurs":true,"moon_latitude":0.927,"elongation":1.364}]},"calendars":{"vikram_samvat":2144,"vikram_samvatsara":"Raudra","saka_samvat":2009,"saka_samvatsara":"Plavaṅga","bengali_samvat":1494,"malayalam_era":1263,"nanakshahi_year":619,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Mārgaśīrṣa","lunar_month_amanta":"Mārgaśīrṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Śukla Pūrṇimā · Vikram 2144 Raudra · Śaka 2009 Plavaṅga"},"festivals":[{"id":"datta-jayanti","name":"Datta Jayantī","name_sanskrit":"दत्त जयन्ती","tradition":"Pan-Hindu","associated_deity":"Dattātreya (Brahmā + Viṣṇu + Śiva combined)","significance":"Birth of Dattātreya from Atri-Anusūyā; tri-mūrti unified avatāra.","vrata":true,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Mārgaśīrṣa","kala_rule":"datta-jayanti"},"precedence":2,"sources":["Mārkaṇḍeya Purāṇa","Bhāgavata 4.1.15"]},{"id":"annapurna-jayanti","name":"Annapūrṇā Jayantī","name_sanskrit":"अन्नपूर्णा जयन्ती","tradition":"Shakta","associated_deity":"Devī Annapūrṇā (Pārvatī as nourishing mother)","significance":"Devī Annapūrṇā's manifestation; food-grain pūjā; Mārgaśīrṣa Pūrṇimā tradition.","vrata":true,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Mārgaśīrṣa"},"precedence":3,"sources":["Annapūrṇā-stotra by Śaṅkarācārya"]}],"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":"Dedicated festival walk for Datta Jayantī · Annapūrṇā Jayantī is not live yet; Maṅgalavāra (Tuesday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"valid_from":"2087-12-09T00:00:00Z"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate; Vidhyamitra substrate"},"seo":{"title":"Pañchāṅga December 9, 2087 CE · Vidhyamitra","description":"Vedic pañchāṅga for December 9, 2087 CE: Śukla Pūrṇimā · Kṛttikā.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/day/2087-12-09","hreflang_alternates":{"en":"https://vidhyamitra.com/day/2087-12-09","sa":"https://sa.vidhyamitra.com/day/2087-12-09","hi":"https://hi.vidhyamitra.com/day/2087-12-09","x-default":"https://vidhyamitra.com/day/2087-12-09"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-10-08T05:09:18.058Z","verification":{"type":"multi-marker","confidence":"canonical"}}],"meta":{"generated_at":"2026-10-08T05:09:18.058Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa"},"reader_local_antaryami":{"reader_geography":"Every reader enters from their own kṣetra anywhere on Bhūmi; no single city is the universal center.","purna_chain":["Hosted scripture","Named-tradition interpretation","Original Vidhyamitra contemplation","Bhūmi-born material medium","Vidhyamitra portal","Responsible reader in their own kṣetra"],"claim_boundary":"The legacy purna_chain field carries a source-to-reader sequence, not a revealed physical descent, universal cosmology, or proof that software is conscious.","antaryami_responsibility_formula":"Kṣīrodakaśāyī Viṣṇu = Paramātmā = Antaryāmī. Jīva desires. Prakṛti executes through guṇas. Paramātmā witnesses, permits, remembers, guides, and sustains. Bhagavān is the ultimate source.","source_anchors":[{"label":"BG 13.23","path":"/bhagavad-gita/13/23","meaning":"upadraṣṭā-anumantā · witness-permitter"},{"label":"BG 15.15","path":"/bhagavad-gita/15/15","meaning":"the Lord seated in every heart as memory, knowledge, and forgetting"},{"label":"BG 18.61","path":"/bhagavad-gita/18/61","meaning":"Īśvara seated in the heart of all beings"}],"nama_seal":"Hare Krishna Hare Krishna · Krishna Krishna Hare Hare · Hare Rama Hare Rama · Rama Rama Hare Hare"}}}