{"id":"vidhyamitra:day:1859-02-27:en","page_class":"VM-1-day","url":"https://vidhyamitra.com/day/1859-02-27","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1859-02-27","date_display":"February 27, 1859 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":1859,"month":2,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2400102.770833,"kali_year":4960,"ahargana":1811637.2708,"sun":{"sidereal_longitude":316.5463,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":251.0679,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":294.5216,"elapsed_within_tithi_degrees":6.5216},"nakshatra":{"number":19,"name":"Mūla","pada":4,"moon_longitude":251.0679,"elapsed_within_degrees":11.0679},"yoga":{"number":16,"name":"Siddhi","sum_longitude":207.6143},"karana":{"half_tithi_index":49,"name":"Viṣṭi"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":1859,"month":2,"day":27,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2400102.770833,"ahargana":1811637.2708,"kali_year":4960,"ayanamsa_lahiri":21.8855,"grahas":{"sun":{"sidereal_longitude":316.06738199999995,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":252.981182,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false,"latitude":-3.8831},"mars":{"sidereal_longitude":359.517682,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":309.6508819999999,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":51.57768199999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":271.295082,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":106.026682,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":310.7392,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":130.7392,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"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":1859,"month":2,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2400102.770833,"kali_year":4960,"ahargana":1811637.2708,"sun":{"sidereal_longitude":316.5463,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":251.0679,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":294.5216,"elapsed_within_tithi_degrees":6.5216},"nakshatra":{"number":19,"name":"Mūla","pada":4,"moon_longitude":251.0679,"elapsed_within_degrees":11.0679},"yoga":{"number":16,"name":"Siddhi","sum_longitude":207.6143},"karana":{"half_tithi_index":49,"name":"Viṣṭi"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.883,"elongation":65.478},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.883,"opposition_distance":114.522}},"eclipse_window_40days":[{"offset_days":6,"type":"solar","occurs":true,"moon_latitude":1.158,"elongation":2.772}]},"calendars":{"vikram_samvat":1916,"vikram_samvatsara":"Aṅgirasa","saka_samvat":1781,"saka_samvatsara":"Siddhārthī","bengali_samvat":1266,"malayalam_era":1035,"nanakshahi_year":390,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Kṛṣṇa Pakṣa","solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Kṛṣṇa Daśamī · Vikram 1916 Aṅgirasa · Śaka 1781 Siddhārthī"},"festivals":[{"id":"kumbha-sankranti","name":"Kumbha Saṅkrānti","name_sanskrit":"कुम्भ सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Aquarius; Kumbha-māsa begins.","vrata":false,"detection":{"sun_rashi":"Kumbha"},"precedence":5}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"valid_from":"1859-02-27T00:00:00Z"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate; Vidhyamitra substrate"},"seo":{"title":"Pañchāṅga February 27, 1859 CE · Vidhyamitra","description":"Vedic pañchāṅga for February 27, 1859 CE: Kṛṣṇa Daśamī · Mūla.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/day/1859-02-27","hreflang_alternates":{"en":"https://vidhyamitra.com/day/1859-02-27","sa":"https://sa.vidhyamitra.com/day/1859-02-27","hi":"https://hi.vidhyamitra.com/day/1859-02-27","x-default":"https://vidhyamitra.com/day/1859-02-27"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-18T06:16:56.113Z","verification":{"type":"multi-marker","confidence":"canonical"}}],"meta":{"generated_at":"2026-05-18T06:16:56.113Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa"}}}