{"id":"vidhyamitra:city-day:vrindavan:2191-04-09:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/2191-04-09","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2191-04-09","date_display":"April 9, 2191 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":2191,"month":4,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2521404.770833,"kali_year":5292,"ahargana":1932939.2708,"sun":{"sidereal_longitude":352.4358,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":163.0669,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":170.6311,"elapsed_within_tithi_degrees":2.6311},"nakshatra":{"number":13,"name":"Hasta","pada":1,"moon_longitude":163.0669,"elapsed_within_degrees":3.0669},"yoga":{"number":12,"name":"Dhruva","sum_longitude":155.5028},"karana":{"half_tithi_index":28,"name":"Viṣṭi"},"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":2191,"month":4,"day":9,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2521404.770833,"ahargana":1932939.2708,"kali_year":5292,"ayanamsa_lahiri":26.5249,"grahas":{"sun":{"sidereal_longitude":352.725353,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":164.00425300000006,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false,"latitude":1.5751},"mars":{"sidereal_longitude":246.03585299999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":326.01005299999997,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":47.87535300000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":35.60245299999997,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":210.254953,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":3.5755,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":183.5755,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","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":2191,"month":4,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2521404.770833,"kali_year":5292,"ahargana":1932939.2708,"sun":{"sidereal_longitude":352.4358,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":163.0669,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":170.6311,"elapsed_within_tithi_degrees":2.6311},"nakshatra":{"number":13,"name":"Hasta","pada":1,"moon_longitude":163.0669,"elapsed_within_degrees":3.0669},"yoga":{"number":12,"name":"Dhruva","sum_longitude":155.5028},"karana":{"half_tithi_index":28,"name":"Viṣṭi"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.575,"elongation":170.631},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.575,"opposition_distance":9.369}},"eclipse_window_40days":[{"offset_days":1,"type":"lunar","occurs":true,"moon_latitude":0.578,"opposition_distance":2.723}]},"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":"06:02","sunsetLocal":"18:41","solarNoonLocal":"12:21","dayLengthHours":12.654660709689008,"dayLengthDisplay":"12 Hours 39 Mins 17 Secs","nightLengthDisplay":"11 Hours 20 Mins 43 Secs","moonriseLocal":"17:52","moonsetLocal":"05:40","rahuKala":{"name":"Rāhu Kāla","start":"09:11","end":"10:46","startHours":9.190652927298503,"endHours":10.772485516009628,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:56","end":"15:31","startHours":13.93615069343188,"endHours":15.517983282143007,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:02","end":"07:37","startHours":6.026987749876251,"endHours":7.6088203385873765,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:59","end":"09:24","startHours":8.979741915470353,"endHours":9.401563939126653,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:33","end":"06:54","startHours":6.554265279446627,"endHours":6.8917228983716665,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:56","end":"12:47","startHours":11.932496081064455,"endHours":12.776140128377056,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:20","end":"05:11","startHours":4.339699655251049,"endHours":5.183343702563651,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:58","end":"06:02","startHours":4.9724326907355,"endHours":6.026987749876251,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:28","end":"15:18","startHours":14.463428223002257,"endHours":15.307072270314858,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:29","end":"18:53","startHours":18.48164845956526,"endHours":18.88164845956526,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:41","end":"19:13","startHours":18.68164845956526,"endHours":19.208925989135636,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:26","end":"20:11","startHours":18.43164845956526,"endHours":20.18164845956526,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:56","end":"00:47","startHours":23.932496081064453,"endHours":24.776140128377055,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:02","end":"07:37","startHours":6.026987749876251,"endHours":7.6088203385873765,"quality":"inauspicious"},{"name":"Śubha","start":"07:37","end":"09:11","startHours":7.6088203385873765,"endHours":9.190652927298503,"quality":"auspicious"},{"name":"Roga","start":"09:11","end":"10:46","startHours":9.190652927298503,"endHours":10.772485516009628,"quality":"inauspicious"},{"name":"Udveg","start":"10:46","end":"12:21","startHours":10.772485516009628,"endHours":12.354318104720754,"quality":"inauspicious"},{"name":"Chala","start":"12:21","end":"13:56","startHours":12.354318104720754,"endHours":13.93615069343188,"quality":"neutral"},{"name":"Labha","start":"13:56","end":"15:31","startHours":13.93615069343188,"endHours":15.517983282143007,"quality":"auspicious"},{"name":"Amṛta","start":"15:31","end":"17:06","startHours":15.517983282143007,"endHours":17.099815870854133,"quality":"auspicious"},{"name":"Kāla","start":"17:06","end":"18:41","startHours":17.099815870854133,"endHours":18.68164845956526,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:41","end":"20:06","startHours":18.68164845956526,"endHours":20.099815870854133,"quality":"auspicious"},{"name":"Amṛta","start":"20:06","end":"21:31","startHours":20.099815870854133,"endHours":21.517983282143007,"quality":"auspicious"},{"name":"Kāla","start":"21:31","end":"22:56","startHours":21.517983282143007,"endHours":22.936150693431884,"quality":"inauspicious"},{"name":"Śubha","start":"22:56","end":"00:21","startHours":22.936150693431884,"endHours":24.354318104720754,"quality":"auspicious"},{"name":"Roga","start":"00:21","end":"01:46","startHours":24.354318104720754,"endHours":25.77248551600963,"quality":"inauspicious"},{"name":"Udveg","start":"01:46","end":"03:11","startHours":25.77248551600963,"endHours":27.190652927298505,"quality":"inauspicious"},{"name":"Chala","start":"03:11","end":"04:37","startHours":27.190652927298505,"endHours":28.60882033858738,"quality":"neutral"},{"name":"Labha","start":"04:37","end":"06:02","startHours":28.60882033858738,"endHours":30.026987749876252,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:02","end":"07:02","startHours":6.026987749876251,"endHours":7.026987749876251,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:02","end":"08:02","startHours":7.026987749876251,"endHours":8.026987749876252,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:02","end":"09:02","startHours":8.026987749876252,"endHours":9.026987749876252,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:02","end":"10:02","startHours":9.026987749876252,"endHours":10.026987749876252,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:02","end":"11:02","startHours":10.026987749876252,"endHours":11.026987749876252,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:02","end":"12:02","startHours":11.026987749876252,"endHours":12.026987749876252,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:02","end":"13:02","startHours":12.026987749876252,"endHours":13.026987749876252,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:02","end":"14:02","startHours":13.026987749876252,"endHours":14.026987749876252,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:02","end":"15:02","startHours":14.026987749876252,"endHours":15.026987749876252,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:02","end":"16:02","startHours":15.026987749876252,"endHours":16.026987749876252,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:02","end":"17:02","startHours":16.026987749876252,"endHours":17.026987749876252,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:02","end":"18:02","startHours":17.026987749876252,"endHours":18.026987749876252,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:02","end":"19:02","startHours":18.026987749876252,"endHours":19.026987749876252,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:02","end":"20:02","startHours":19.026987749876252,"endHours":20.026987749876252,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:02","end":"21:02","startHours":20.026987749876252,"endHours":21.026987749876252,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:02","end":"22:02","startHours":21.026987749876252,"endHours":22.026987749876252,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:02","end":"23:02","startHours":22.026987749876252,"endHours":23.026987749876252,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:02","end":"00:02","startHours":23.026987749876252,"endHours":24.026987749876252,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:02","end":"01:02","startHours":24.026987749876252,"endHours":25.026987749876252,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:02","end":"02:02","startHours":25.026987749876252,"endHours":26.026987749876252,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:02","end":"03:02","startHours":26.026987749876252,"endHours":27.026987749876252,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:02","end":"04:02","startHours":27.026987749876252,"endHours":28.026987749876252,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:02","end":"05:02","startHours":28.026987749876252,"endHours":29.026987749876252,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:02","end":"06:02","startHours":29.026987749876252,"endHours":30.026987749876252,"planetary_lord":"Mercury"}],"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":"East (Pūrva)","chandraVasa":"North-West","rahuVasa":"East","anandadiYoga":{"name":"Vajra","quality":"Inauspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":7.534914625380422,"eotMinutes":-1.8962862832453116,"ayanamsa":26.5249}},"calendars":{"vikram_samvat":2248,"vikram_samvatsara":"Krodhi","saka_samvat":2113,"saka_samvatsara":"Khara","bengali_samvat":1598,"malayalam_era":1367,"nanakshahi_year":722,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Caitra","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":"Caitra Śukla Pūrṇimā · Vikram 2248 Krodhi · Śaka 2113 Khara"},"festivals":[{"id":"hanuman-jayanti","name":"Hanumān Jayantī","name_sanskrit":"हनुमान जयन्ती","tradition":"Vaishnava","associated_deity":"Bhagavān Hanumān (Rudra-aṁśa, Rāma-bhakta)","significance":"Birth of Hanumān (Caitra Pūrṇimā tradition; some traditions Mārgaśīrṣa Kṛṣṇa 14).","vrata":true,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Caitra"},"precedence":1,"sources":["Vālmīki Rāmāyaṇa, Sundara-Kāṇḍa"]}],"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":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Śukla Pūrṇimā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Śukla Pūrṇimā","url":"/day/-0562-04-11","relevance":0.5}]},"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 9, 2191 CE · Vṛndāvana · Vidhyamitra","description":"April 9, 2191 CE for Vṛndāvana: Śukla Pūrṇimā, sūryodaya 06:02, sūryāsta 18:41.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/2191-04-09","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/2191-04-09","sa":"https://sa.vidhyamitra.com/city/vrindavan/2191-04-09","hi":"https://hi.vidhyamitra.com/city/vrindavan/2191-04-09","x-default":"https://vidhyamitra.com/city/vrindavan/2191-04-09"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T23:31:29.065Z","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":"2026-06-01T23:31:29.065Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T23:31:29.065Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}