{"id":"vidhyamitra:city-day:vrindavan:2186-04-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/2186-04-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2186-04-04","date_display":"April 4, 2186 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":2186,"month":4,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2519573.770833,"kali_year":5287,"ahargana":1931108.2708,"sun":{"sidereal_longitude":347.8078,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":169.2342,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":181.4264,"elapsed_within_tithi_degrees":1.4264},"nakshatra":{"number":13,"name":"Hasta","pada":3,"moon_longitude":169.2342,"elapsed_within_degrees":9.2342},"yoga":{"number":12,"name":"Dhruva","sum_longitude":157.042},"karana":{"half_tithi_index":30,"name":"Bālava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":2186,"month":4,"day":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2519573.770833,"ahargana":1931108.2708,"kali_year":5287,"ayanamsa_lahiri":26.4548,"grahas":{"sun":{"sidereal_longitude":348.075011,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":167.61711100000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false,"latitude":4.1904},"mars":{"sidereal_longitude":344.418811,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":338.049111,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":266.444611,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":17.763211000000013,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":145.41551100000004,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":100.5907,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":280.5907,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","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":2186,"month":4,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2519573.770833,"kali_year":5287,"ahargana":1931108.2708,"sun":{"sidereal_longitude":347.8078,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":169.2342,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":181.4264,"elapsed_within_tithi_degrees":1.4264},"nakshatra":{"number":13,"name":"Hasta","pada":3,"moon_longitude":169.2342,"elapsed_within_degrees":9.2342},"yoga":{"number":12,"name":"Dhruva","sum_longitude":157.042},"karana":{"half_tithi_index":30,"name":"Bālava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.19,"elongation":178.574},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.19,"opposition_distance":1.426}},"eclipse_window_40days":[]},"city":{"slug":"vrindavan","name":"Vṛndāvana","lat":27.565,"lon":77.6593,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"vrindavan","name":"Vṛndāvana","lat":27.565,"lon":77.6593,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"06:07","sunsetLocal":"18:39","solarNoonLocal":"12:23","dayLengthHours":12.526251816996572,"dayLengthDisplay":"12 Hours 31 Mins 35 Secs","nightLengthDisplay":"11 Hours 28 Mins 25 Secs","moonriseLocal":"18:30","moonsetLocal":"06:12","rahuKala":{"name":"Rāhu Kāla","start":"15:31","end":"17:05","startHours":15.511003339231314,"endHours":17.076784816355882,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:15","end":"10:49","startHours":9.247877430733027,"endHours":10.813658907857599,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:23","end":"13:57","startHours":12.379440384982171,"endHours":13.945221862106742,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:02","end":"09:27","startHours":9.039106567116418,"endHours":9.456648294349637,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:38","end":"06:58","startHours":6.638241635525408,"endHours":6.972275017311984,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:58","end":"12:48","startHours":11.96189865774895,"endHours":12.796982112215389,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:27","end":"05:17","startHours":4.446147567551008,"endHours":5.2812310220174465,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:04","end":"06:07","startHours":5.072460158400837,"endHours":6.116314476483884,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:28","end":"15:18","startHours":14.467149021148266,"endHours":15.302232475614705,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:27","end":"18:51","startHours":18.442566293480457,"endHours":18.842566293480456,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:39","end":"19:10","startHours":18.642566293480456,"endHours":19.16449345252198,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:24","end":"20:09","startHours":18.392566293480456,"endHours":20.142566293480456,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:58","end":"00:48","startHours":23.96189865774895,"endHours":24.796982112215385,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:07","end":"07:41","startHours":6.116314476483884,"endHours":7.682095953608456,"quality":"inauspicious"},{"name":"Udveg","start":"07:41","end":"09:15","startHours":7.682095953608456,"endHours":9.247877430733027,"quality":"inauspicious"},{"name":"Chala","start":"09:15","end":"10:49","startHours":9.247877430733027,"endHours":10.813658907857599,"quality":"neutral"},{"name":"Labha","start":"10:49","end":"12:23","startHours":10.813658907857599,"endHours":12.379440384982171,"quality":"auspicious"},{"name":"Amṛta","start":"12:23","end":"13:57","startHours":12.379440384982171,"endHours":13.945221862106742,"quality":"auspicious"},{"name":"Kāla","start":"13:57","end":"15:31","startHours":13.945221862106742,"endHours":15.511003339231314,"quality":"inauspicious"},{"name":"Śubha","start":"15:31","end":"17:05","startHours":15.511003339231314,"endHours":17.076784816355882,"quality":"auspicious"},{"name":"Roga","start":"17:05","end":"18:39","startHours":17.076784816355882,"endHours":18.642566293480456,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:39","end":"20:05","startHours":18.642566293480456,"endHours":20.076784816355886,"quality":"inauspicious"},{"name":"Śubha","start":"20:05","end":"21:31","startHours":20.076784816355886,"endHours":21.511003339231312,"quality":"auspicious"},{"name":"Roga","start":"21:31","end":"22:57","startHours":21.511003339231312,"endHours":22.94522186210674,"quality":"inauspicious"},{"name":"Udveg","start":"22:57","end":"00:23","startHours":22.94522186210674,"endHours":24.37944038498217,"quality":"inauspicious"},{"name":"Chala","start":"00:23","end":"01:49","startHours":24.37944038498217,"endHours":25.8136589078576,"quality":"neutral"},{"name":"Labha","start":"01:49","end":"03:15","startHours":25.8136589078576,"endHours":27.247877430733027,"quality":"auspicious"},{"name":"Amṛta","start":"03:15","end":"04:41","startHours":27.247877430733027,"endHours":28.682095953608457,"quality":"auspicious"},{"name":"Kāla","start":"04:41","end":"06:07","startHours":28.682095953608457,"endHours":30.116314476483886,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:07","end":"07:07","startHours":6.116314476483884,"endHours":7.116314476483884,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:07","end":"08:07","startHours":7.116314476483884,"endHours":8.116314476483884,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:07","end":"09:07","startHours":8.116314476483884,"endHours":9.116314476483884,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:07","end":"10:07","startHours":9.116314476483884,"endHours":10.116314476483884,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:07","end":"11:07","startHours":10.116314476483884,"endHours":11.116314476483884,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:07","end":"12:07","startHours":11.116314476483884,"endHours":12.116314476483884,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:07","end":"13:07","startHours":12.116314476483884,"endHours":13.116314476483884,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:07","end":"14:07","startHours":13.116314476483884,"endHours":14.116314476483884,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:07","end":"15:07","startHours":14.116314476483884,"endHours":15.116314476483884,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:07","end":"16:07","startHours":15.116314476483884,"endHours":16.116314476483886,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:07","end":"17:07","startHours":16.116314476483886,"endHours":17.116314476483886,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:07","end":"18:07","startHours":17.116314476483886,"endHours":18.116314476483886,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:07","end":"19:07","startHours":18.116314476483886,"endHours":19.116314476483886,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:07","end":"20:07","startHours":19.116314476483886,"endHours":20.116314476483886,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:07","end":"21:07","startHours":20.116314476483886,"endHours":21.116314476483886,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:07","end":"22:07","startHours":21.116314476483886,"endHours":22.116314476483886,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:07","end":"23:07","startHours":22.116314476483886,"endHours":23.116314476483886,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:07","end":"00:07","startHours":23.116314476483886,"endHours":24.116314476483886,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:07","end":"01:07","startHours":24.116314476483886,"endHours":25.116314476483886,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:07","end":"02:07","startHours":25.116314476483886,"endHours":26.116314476483886,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:07","end":"03:07","startHours":26.116314476483886,"endHours":27.116314476483886,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:07","end":"04:07","startHours":27.116314476483886,"endHours":28.116314476483886,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:07","end":"05:07","startHours":28.116314476483886,"endHours":29.116314476483886,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:07","end":"06:07","startHours":29.116314476483886,"endHours":30.116314476483886,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"North (Uttara)","chandraVasa":"North-West","rahuVasa":"North","anandadiYoga":{"name":"Amṛta","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":5.726766377415541,"eotMinutes":-3.4036230989301703,"ayanamsa":26.4548}},"calendars":{"vikram_samvat":2243,"vikram_samvatsara":"Vikāri","saka_samvat":2108,"saka_samvatsara":"Vyaya","bengali_samvat":1593,"malayalam_era":1362,"nanakshahi_year":717,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Caitra","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Kṛṣṇa Pratipada · Vikram 2243 Vikāri · Śaka 2108 Vyaya"},"festivals":[],"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":"Maṅgalavāra (Tuesday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"vrindavan"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga April 4, 2186 CE · Vṛndāvana · Vidhyamitra","description":"April 4, 2186 CE for Vṛndāvana: Kṛṣṇa Pratipada, sūryodaya 06:07, sūryāsta 18:39.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/2186-04-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/2186-04-04","sa":"https://sa.vidhyamitra.com/city/vrindavan/2186-04-04","hi":"https://hi.vidhyamitra.com/city/vrindavan/2186-04-04","x-default":"https://vidhyamitra.com/city/vrindavan/2186-04-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T08:54:39.942Z","verification":{"type":"multi-marker","confidence":"canonical"}},{"pillar":"Vidhyamitra-Tier2","pillar_version":"0.1.0","method":"Spherical astronomy + Lahiri ayanamsa + standard solar declination + EoT correction","retrieved_at":"2026-06-01T08:54:39.942Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T08:54:39.942Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}