{"id":"vidhyamitra:city-day:lucknow:2131-04-07:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/lucknow/2131-04-07","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2131-04-07","date_display":"April 7, 2131 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":2131,"month":4,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2499487.770833,"kali_year":5232,"ahargana":1911022.2708,"sun":{"sidereal_longitude":350.9874,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":106.2595,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":115.2721,"elapsed_within_tithi_degrees":7.2721},"nakshatra":{"number":8,"name":"Puṣya","pada":4,"moon_longitude":106.2595,"elapsed_within_degrees":12.9262},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":97.2469},"karana":{"half_tithi_index":19,"name":"Gara"},"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":2131,"month":4,"day":7,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2499487.770833,"ahargana":1911022.2708,"kali_year":5232,"ayanamsa_lahiri":25.6866,"grahas":{"sun":{"sidereal_longitude":351.133444,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":108.82894399999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false,"latitude":1.6416},"mars":{"sidereal_longitude":282.671344,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":321.721444,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":28.897644000000014,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":323.40014399999995,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":197.35454400000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":84.8436,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":264.8436,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","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":2131,"month":4,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2499487.770833,"kali_year":5232,"ahargana":1911022.2708,"sun":{"sidereal_longitude":350.9874,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":106.2595,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":115.2721,"elapsed_within_tithi_degrees":7.2721},"nakshatra":{"number":8,"name":"Puṣya","pada":4,"moon_longitude":106.2595,"elapsed_within_degrees":12.9262},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":97.2469},"karana":{"half_tithi_index":19,"name":"Gara"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.642,"elongation":115.272},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.642,"opposition_distance":64.728}},"eclipse_window_40days":[]},"city":{"slug":"lucknow","name":"Lucknow, Uttar Pradesh","lat":26.8467,"lon":80.9462,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"lucknow","name":"Lucknow, Uttar Pradesh","lat":26.8467,"lon":80.9462,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tier-1"},"sunriseLocal":"05:51","sunsetLocal":"18:26","solarNoonLocal":"12:09","dayLengthHours":12.573857902693913,"dayLengthDisplay":"12 Hours 34 Mins 26 Secs","nightLengthDisplay":"11 Hours 25 Mins 34 Secs","moonriseLocal":"13:22","moonsetLocal":"02:37","rahuKala":{"name":"Rāhu Kāla","start":"09:00","end":"10:34","startHours":9.001589066740404,"endHours":10.573321304577142,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:43","end":"15:17","startHours":13.716785780250621,"endHours":15.288518018087359,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:51","end":"07:26","startHours":5.858124591066926,"endHours":7.429856828903665,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:48","end":"09:13","startHours":8.792024768362172,"endHours":9.211153365118637,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:23","end":"06:43","startHours":6.382035337012506,"endHours":6.717338214417677,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:44","end":"12:34","startHours":11.725924945657418,"endHours":12.564182139170345,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:11","end":"05:01","startHours":4.181610204041071,"endHours":5.019867397553998,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:49","end":"05:51","startHours":4.810303099175767,"endHours":5.858124591066926,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:14","end":"15:05","startHours":14.2406965261962,"endHours":15.078953719709126,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:14","end":"18:38","startHours":18.23198249376084,"endHours":18.631982493760837,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:26","end":"18:57","startHours":18.431982493760838,"endHours":18.955893239706416,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:11","end":"19:56","startHours":18.181982493760838,"endHours":19.931982493760838,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:44","end":"00:34","startHours":23.725924945657418,"endHours":24.56418213917035,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:51","end":"07:26","startHours":5.858124591066926,"endHours":7.429856828903665,"quality":"inauspicious"},{"name":"Śubha","start":"07:26","end":"09:00","startHours":7.429856828903665,"endHours":9.001589066740404,"quality":"auspicious"},{"name":"Roga","start":"09:00","end":"10:34","startHours":9.001589066740404,"endHours":10.573321304577142,"quality":"inauspicious"},{"name":"Udveg","start":"10:34","end":"12:09","startHours":10.573321304577142,"endHours":12.145053542413883,"quality":"inauspicious"},{"name":"Chala","start":"12:09","end":"13:43","startHours":12.145053542413883,"endHours":13.716785780250621,"quality":"neutral"},{"name":"Labha","start":"13:43","end":"15:17","startHours":13.716785780250621,"endHours":15.288518018087359,"quality":"auspicious"},{"name":"Amṛta","start":"15:17","end":"16:52","startHours":15.288518018087359,"endHours":16.8602502559241,"quality":"auspicious"},{"name":"Kāla","start":"16:52","end":"18:26","startHours":16.8602502559241,"endHours":18.431982493760838,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:26","end":"19:52","startHours":18.431982493760838,"endHours":19.8602502559241,"quality":"auspicious"},{"name":"Amṛta","start":"19:52","end":"21:17","startHours":19.8602502559241,"endHours":21.28851801808736,"quality":"auspicious"},{"name":"Kāla","start":"21:17","end":"22:43","startHours":21.28851801808736,"endHours":22.71678578025062,"quality":"inauspicious"},{"name":"Śubha","start":"22:43","end":"00:09","startHours":22.71678578025062,"endHours":24.145053542413883,"quality":"auspicious"},{"name":"Roga","start":"00:09","end":"01:34","startHours":24.145053542413883,"endHours":25.573321304577142,"quality":"inauspicious"},{"name":"Udveg","start":"01:34","end":"03:00","startHours":25.573321304577142,"endHours":27.001589066740404,"quality":"inauspicious"},{"name":"Chala","start":"03:00","end":"04:26","startHours":27.001589066740404,"endHours":28.429856828903667,"quality":"neutral"},{"name":"Labha","start":"04:26","end":"05:51","startHours":28.429856828903667,"endHours":29.858124591066925,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:51","end":"06:51","startHours":5.858124591066926,"endHours":6.858124591066926,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:51","end":"07:51","startHours":6.858124591066926,"endHours":7.858124591066926,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:51","end":"08:51","startHours":7.858124591066926,"endHours":8.858124591066925,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:51","end":"09:51","startHours":8.858124591066925,"endHours":9.858124591066925,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:51","end":"10:51","startHours":9.858124591066925,"endHours":10.858124591066925,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:51","end":"11:51","startHours":10.858124591066925,"endHours":11.858124591066925,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:51","end":"12:51","startHours":11.858124591066925,"endHours":12.858124591066925,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:51","end":"13:51","startHours":12.858124591066925,"endHours":13.858124591066925,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:51","end":"14:51","startHours":13.858124591066925,"endHours":14.858124591066925,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:51","end":"15:51","startHours":14.858124591066925,"endHours":15.858124591066925,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:51","end":"16:51","startHours":15.858124591066925,"endHours":16.858124591066925,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:51","end":"17:51","startHours":16.858124591066925,"endHours":17.858124591066925,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:51","end":"18:51","startHours":17.858124591066925,"endHours":18.858124591066925,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:51","end":"19:51","startHours":18.858124591066925,"endHours":19.858124591066925,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:51","end":"20:51","startHours":19.858124591066925,"endHours":20.858124591066925,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:51","end":"21:51","startHours":20.858124591066925,"endHours":21.858124591066925,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:51","end":"22:51","startHours":21.858124591066925,"endHours":22.858124591066925,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:51","end":"23:51","startHours":22.858124591066925,"endHours":23.858124591066925,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:51","end":"00:51","startHours":23.858124591066925,"endHours":24.858124591066925,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:51","end":"01:51","startHours":24.858124591066925,"endHours":25.858124591066925,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:51","end":"02:51","startHours":25.858124591066925,"endHours":26.858124591066925,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:51","end":"03:51","startHours":26.858124591066925,"endHours":27.858124591066925,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:51","end":"04:51","startHours":27.858124591066925,"endHours":28.858124591066925,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:51","end":"05:51","startHours":28.858124591066925,"endHours":29.858124591066925,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"East","anandadiYoga":{"name":"Prajāpati","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":6.608846279172146,"eotMinutes":-2.4880125448329173,"ayanamsa":25.6866}},"calendars":{"vikram_samvat":2188,"vikram_samvatsara":"Krodhi","saka_samvat":2053,"saka_samvatsara":"Khara","bengali_samvat":1538,"malayalam_era":1307,"nanakshahi_year":662,"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 Daśamī · Vikram 2188 Krodhi · Śaka 2053 Khara"},"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,"location_specific":"lucknow"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga April 7, 2131 CE · Lucknow, Uttar Pradesh · Vidhyamitra","description":"April 7, 2131 CE for Lucknow, Uttar Pradesh: Śukla Daśamī, sūryodaya 05:51, sūryāsta 18:26.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/lucknow/2131-04-07","hreflang_alternates":{"en":"https://vidhyamitra.com/city/lucknow/2131-04-07","sa":"https://sa.vidhyamitra.com/city/lucknow/2131-04-07","hi":"https://hi.vidhyamitra.com/city/lucknow/2131-04-07","x-default":"https://vidhyamitra.com/city/lucknow/2131-04-07"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T00:18:42.188Z","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":"2026-06-03T00:18:42.188Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T00:18:42.188Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}