{"id":"vidhyamitra:day:2261-04-27:en","page_class":"VM-1-day","url":"https://vidhyamitra.com/day/2261-04-27","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2261-04-27","date_display":"April 27, 2261 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":2261,"month":4,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2546989.770833,"kali_year":5363,"ahargana":1958524.2708,"sun":{"sidereal_longitude":8.9191,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":330.6609,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":321.7418,"elapsed_within_tithi_degrees":9.7418},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4,"moon_longitude":330.6609,"elapsed_within_degrees":10.6609},"yoga":{"number":26,"name":"Indra","sum_longitude":339.58},"karana":{"half_tithi_index":53,"name":"Taitila"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":2261,"month":4,"day":27,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2546989.770833,"ahargana":1958524.2708,"kali_year":5363,"ayanamsa_lahiri":27.5034,"grahas":{"sun":{"sidereal_longitude":9.432417999999984,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":330.94791799999996,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false,"latitude":-3.998},"mars":{"sidereal_longitude":328.7728179999999,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":342.75741800000003,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":18.086018000000024,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":31.410318000000018,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":334.28391799999997,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":87.9591,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":267.9591,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"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":2261,"month":4,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2546989.770833,"kali_year":5363,"ahargana":1958524.2708,"sun":{"sidereal_longitude":8.9191,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":330.6609,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":321.7418,"elapsed_within_tithi_degrees":9.7418},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4,"moon_longitude":330.6609,"elapsed_within_degrees":10.6609},"yoga":{"number":26,"name":"Indra","sum_longitude":339.58},"karana":{"half_tithi_index":53,"name":"Taitila"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.998,"elongation":38.258},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.998,"opposition_distance":141.742}},"eclipse_window_40days":[]},"calendars":{"vikram_samvat":2318,"vikram_samvatsara":"Ānanda","saka_samvat":2183,"saka_samvatsara":"Plava","bengali_samvat":1668,"malayalam_era":1437,"nanakshahi_year":792,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Kṛṣṇa Dvādaśī · Vikram 2318 Ānanda · Śaka 2183 Plava"},"festivals":[],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"valid_from":"2261-04-27T00:00:00Z"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate; Vidhyamitra substrate"},"seo":{"title":"Pañchāṅga April 27, 2261 CE · Vidhyamitra","description":"Vedic pañchāṅga for April 27, 2261 CE: Kṛṣṇa Dvādaśī · Pūrva Bhādrapadā.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/day/2261-04-27","hreflang_alternates":{"en":"https://vidhyamitra.com/day/2261-04-27","sa":"https://sa.vidhyamitra.com/day/2261-04-27","hi":"https://hi.vidhyamitra.com/day/2261-04-27","x-default":"https://vidhyamitra.com/day/2261-04-27"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-28T14:43:30.338Z","verification":{"type":"multi-marker","confidence":"canonical"}}],"meta":{"generated_at":"2026-05-28T14:43:30.338Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa"}}}