{"id":"vidhyamitra:day:2287-02-07:en","page_class":"VM-1-day","url":"https://vidhyamitra.com/day/2287-02-07","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2287-02-07","date_display":"February 7, 2287 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":2287,"month":2,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2556406.770833,"kali_year":5388,"ahargana":1967941.2708,"sun":{"sidereal_longitude":289.4109,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":206.0666,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":276.6557,"elapsed_within_tithi_degrees":0.6557},"nakshatra":{"number":16,"name":"Viśākhā","pada":2,"moon_longitude":206.0666,"elapsed_within_degrees":6.0666},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":135.4775},"karana":{"half_tithi_index":46,"name":"Taitila"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":2287,"month":2,"day":7,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2556406.770833,"ahargana":1967941.2708,"kali_year":5388,"ayanamsa_lahiri":27.8636,"grahas":{"sun":{"sidereal_longitude":290.05542,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"moon":{"sidereal_longitude":205.64062,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false,"latitude":-4.3856},"mars":{"sidereal_longitude":222.68241999999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":269.42922,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":80.31482,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":true},"venus":{"sidereal_longitude":328.37282000000005,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":287.58601999999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":309.0011,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":129.0011,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"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":2287,"month":2,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2556406.770833,"kali_year":5388,"ahargana":1967941.2708,"sun":{"sidereal_longitude":289.4109,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":206.0666,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":276.6557,"elapsed_within_tithi_degrees":0.6557},"nakshatra":{"number":16,"name":"Viśākhā","pada":2,"moon_longitude":206.0666,"elapsed_within_degrees":6.0666},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":135.4775},"karana":{"half_tithi_index":46,"name":"Taitila"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.386,"elongation":83.344},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.386,"opposition_distance":96.656}},"eclipse_window_40days":[]},"calendars":{"vikram_samvat":2344,"vikram_samvatsara":"Vikrama","saka_samvat":2209,"saka_samvatsara":"Prabhava","bengali_samvat":1694,"malayalam_era":1463,"nanakshahi_year":818,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Māgha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Navamī · Vikram 2344 Vikrama · Śaka 2209 Prabhava"},"festivals":[],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Viśākhā","url":"/day/-0562-04-11","relevance":0.5}]},"validity":{"eternal":false,"valid_from":"2287-02-07T00:00:00Z"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate; Vidhyamitra substrate"},"seo":{"title":"Pañchāṅga February 7, 2287 CE · Vidhyamitra","description":"Vedic pañchāṅga for February 7, 2287 CE: Kṛṣṇa Navamī · Viśākhā.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/day/2287-02-07","hreflang_alternates":{"en":"https://vidhyamitra.com/day/2287-02-07","sa":"https://sa.vidhyamitra.com/day/2287-02-07","hi":"https://hi.vidhyamitra.com/day/2287-02-07","x-default":"https://vidhyamitra.com/day/2287-02-07"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T12:47:33.404Z","verification":{"type":"multi-marker","confidence":"canonical"}}],"meta":{"generated_at":"2026-06-01T12:47:33.404Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa"}}}