{"id":"vidhyamitra:day:1687-11-28:en","page_class":"VM-1-day","url":"https://vidhyamitra.com/day/1687-11-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1687-11-28","date_display":"November 28, 1687 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":1687,"month":11,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2337555.770833,"kali_year":4789,"ahargana":1749090.2708,"sun":{"sidereal_longitude":226.8227,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":148.4733,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":281.6506,"elapsed_within_tithi_degrees":5.6506},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1,"moon_longitude":148.4733,"elapsed_within_degrees":1.8067},"yoga":{"number":2,"name":"Prīti","sum_longitude":15.296},"karana":{"half_tithi_index":46,"name":"Taitila"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":1687,"month":11,"day":28,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2337555.770833,"ahargana":1749090.2708,"kali_year":4789,"ayanamsa_lahiri":19.4933,"grahas":{"sun":{"sidereal_longitude":226.56773699999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":148.54733699999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false,"latitude":3.7429},"mars":{"sidereal_longitude":327.00033699999994,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":247.48303699999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":254.24343699999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":217.92413699999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":true},"saturn":{"sidereal_longitude":185.96553700000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":24.7802,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":204.7802,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","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":1687,"month":11,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2337555.770833,"kali_year":4789,"ahargana":1749090.2708,"sun":{"sidereal_longitude":226.8227,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":148.4733,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":281.6506,"elapsed_within_tithi_degrees":5.6506},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1,"moon_longitude":148.4733,"elapsed_within_degrees":1.8067},"yoga":{"number":2,"name":"Prīti","sum_longitude":15.296},"karana":{"half_tithi_index":46,"name":"Taitila"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.743,"elongation":78.349},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.743,"opposition_distance":101.651}},"eclipse_window_40days":[{"offset_days":-9,"type":"lunar","occurs":true,"moon_latitude":0.882,"opposition_distance":1.071}]},"calendars":{"vikram_samvat":1744,"vikram_samvatsara":"Vikrama","saka_samvat":1609,"saka_samvatsara":"Prabhava","bengali_samvat":1094,"malayalam_era":863,"nanakshahi_year":218,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Mārgaśīrṣa","lunar_month_amanta":"Kārtika","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 Kṛṣṇa Navamī · Vikram 1744 Vikrama · Śaka 1609 Prabhava"},"festivals":[],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"valid_from":"1687-11-28T00:00:00Z"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate; Vidhyamitra substrate"},"seo":{"title":"Pañchāṅga November 28, 1687 CE · Vidhyamitra","description":"Vedic pañchāṅga for November 28, 1687 CE: Kṛṣṇa Navamī · Uttara Phalgunī.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/day/1687-11-28","hreflang_alternates":{"en":"https://vidhyamitra.com/day/1687-11-28","sa":"https://sa.vidhyamitra.com/day/1687-11-28","hi":"https://hi.vidhyamitra.com/day/1687-11-28","x-default":"https://vidhyamitra.com/day/1687-11-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T04:07:02.437Z","verification":{"type":"multi-marker","confidence":"canonical"}}],"meta":{"generated_at":"2026-06-03T04:07:02.437Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa"}}}